mommys-side-effects
TABOO SEX STORIES

Mommy's Side Effects

Mommy's Side Effects

by 17mooneys
16 min read
4.11 (23700 views)
tabooincestmotherson
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It was late August, and I was heading off to college. In Florida, this time of year is brutally hot, and all morning, my dad and I had been loading the car with my stuff, sweating buckets in the process. Meanwhile, Mom sat watching us, sipping wine.

"Mary, you're not supposed to mix antidepressants with alcohol. What are you doing?" Dad said, his voice sharp with concern.

"Don't be a buzzkill, Mike. It's just a couple of glasses," she shot back. You could tell she was struggling with me leaving.

The last few days, she'd been acting strange--cryptic, staring at me for too long, coming into my room at night to say goodnight and kiss me on the forehead, something she'd never done before.

Honestly, I was nervous too. What if I didn't fit in with the crowd? What if my roommate turned out to be a jerk? What about the girls--would they be gorgeous and out of my league? Would I even stack up against everyone else?

The car was almost full, but we still had suitcases, boxes of books, and a big TV to fit in. Where were we supposed to cram all this?

"Looks like you're staying behind, honey--no room for you," Dad said, half-joking.

"No, *you're* staying, dear. I'm going no matter what," Mom replied. I could tell she was already tipsy. And when Mom's had a few, arguing with her is pointless.

"Angelo, your call: the TV and books or your mom," Dad said, tossing the decision my way.

I didn't even have time to think before Mom cut in, decisive. "I'll sit on his lap. It's only five hours--I'll manage."

"But if the cops see that, we're screwed," Dad protested.

"Move the stuff to the front seat. We'll sit in the back behind you. No one'll see us, and shove the TV between the front seats," she instructed.

Dad gave me a questioning look.

"If we can technically fit, I'm fine with it, but I'm not leaving the TV or my books," I said. How was I supposed to play my console without the TV? And my self-help book collection--those were too precious to leave behind. I'd already cut down to the bare essentials.

"Alright, smartasses, but if either of you starts whining, I'm dropping you at the first bus stop," Dad warned.

Mom and I exchanged a glance and smirked. This was shaping up to be one hell of a ride.

---

We waited in the car while Mom changed.

"I'm worried about her, son," Dad said, his voice low. "Her therapist called me specifically to warn me she can't mix those new antidepressants with booze. Said there'd be side effects." I could hear the genuine fear in his tone.

"She's a grown-up. She can handle herself," I replied. "I bet she'll just pass out like she always does on long drives." Just then, I saw her step out--in a short, sheer pink summer dress, holding an unfinished bottle of wine.

"Oh my God," Dad groaned under his breath.

Mom yanked open the back door, climbed onto my lap with confidence, straddling me, and said firmly, "Let's go."

I froze at how casual she was about it--like she did this every day, no hesitation, no awkwardness. She settled in, her warmth pressing right against my crotch.

I didn't know where to put my hands. Her weight pinned my dick in an awkward position--it hurt a little, but I could deal.

I noticed she wasn't wearing a bra. She was drenched from the heat, her skin slick and hot. A bead of sweat rolled down her tanned neck. I caught the scent of Chanel No. 5 mixed with her damp skin.

"Dad, please turn on the AC and roll up the windows," I said.

"Small problem: the AC's barely working. Probably out of coolant--needs a refill. Once we hit the highway, it'll cool off with the windows cracked. Hang in there," he replied.

Mom took a few big gulps from the bottle while we idled at a light.

"You only fix problems when they're unbearable," she snapped at Dad.

He didn't respond, and the silence grew thick with tension.

I could feel the heat radiating from her, especially her ass. My groin was soaked and burning up.

"Turn on the radio, or I'll lose my mind in this quiet," she said. "Sex on Fire" by Kings of Leon blared through the speakers.

Mom started singing along, swaying slowly like she was dancing. That was the spark that changed everything. My dick twitched involuntarily, swelling against her grinding.

I didn't know what to do. I couldn't stop it--she kept moving. A pothole in the road made it worse.

The pain from my boner's weird angle was excruciating.

"Mom, lift up a sec--I need to fix my shorts," I said.

She shifted slightly, and I freed my thick, heavy cock, laying it to the side.

"Done," I said. She sat back down.

I knew she'd feel it now--too big to miss.

She froze, stopped swaying, stopped singing. I went rigid with embarrassment. She took another swig from the bottle.

"Baby, you comfy? Everything okay?" she asked, half-turning to me.

"Yeah, I'm fine. Don't worry," I said.

"I need to pee. Pull over," she told Dad. Did she not like it? Was she freaked out by my hard-on and didn't want to sit on me anymore? Maybe she'd demand to drive--but she was drunk, and Dad wouldn't let her.

"It's all fields out here--where are you gonna go?" he argued.

"I'll squat somewhere. Stop the car--I can't hold it."

"Mary, you're plastered! We'll get in trouble with the cops. Wait for a gas station," Dad pleaded.

"I'm gonna piss myself."

She arched her hips back, pressing her hot, soft crotch harder against me.

What the hell was happening? This wasn't like her. Maybe the wine and heat were hitting her harder than usual.

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The car stopped. Mom stumbled out, weaving toward a big rock. Thank God she didn't take the bottle.

"I need to pee too," I told Dad.

"Wait your turn," he said.

Mom came back from the rock, adjusting her dress. I walked toward her.

"Where you going?" she asked.

"Bathroom break," I said. She gave me a weird look.

When I got behind the rock, I saw why. Next to a wet patch of her piss, her pink lace panties lay on the ground. Why'd she take them off and leave them? Too hot? She couldn't have forgotten them.

I couldn't pee standing--the rock was too low--so I dropped my shorts and squatted. My swollen dick and balls dangled close to the damp earth. Good thing I'd shaved yesterday; it felt fresher, looked sexier.

I'd heard somewhere that in Switzerland, guys pee sitting down.

While I went, I gingerly picked up her panties. They were warm and soaked with sweat. I checked the inside--the part that hugged her crotch--and saw a thick smear of white discharge and a couple of her dark pubes. So much of it. That's probably why she ditched them--they were drenched.

Sick thoughts crept in as I stared at it. Smell it. Taste it. My dick pulsed, growing harder. What was wrong with me? This wasn't normal. I'd never felt anything sexual for her before. The taboo of it only turned me on more.

No one would see. No one would know. I'd never get another chance like this.

Then I did something I shouldn't have: I sniffed the slime, and I liked it. I dipped my tongue into the thick glob and tasted a milky tang.

I couldn't stop myself. I smeared it all over my dick and balls, thick and wet. I stuffed the panties in my shorts pocket. They'd remind me of home during lonely dorm nights.

If she saw them, I'd say I meant to give them back but forgot. Yeah, real convincing.

I walked back to the car, my hard-on obvious under my shorts. I prayed they wouldn't notice. Dad was glued to his phone; Mom's eyes locked on me.

She got out to let me in, avoiding my gaze like she was ashamed.

She climbed back on, and through the thin fabric, I felt the heat of her bare skin, more intimate now without the panties. Just that sheer pink dress between us.

Dad pulled back onto the road.

"You good?" she asked.

We had four hours left, and I'd be a lot comfier if I pulled my dick out and nestled it between her cheeks instead of letting them squeeze it.

"Lift up a bit," I said.

She raised her ass, and I tugged out my slick, veiny cock--huge now.

"Done," I said. She sat back, my shaft sliding behind her, cradled by her soft cheeks. I smelled her discharge on me. Freed, my dick swelled to its full, rock-hard size.

She leaned back, pinning it against my stomach.

"My back's killing me. Baby, massage it, please," she said.

"Sure, Mom. Where's it hurt?"

She pulled the top of her dress down, baring her back and chest.

"Between my shoulder blades," she said.

I started rubbing gently with my right hand. She grabbed my left, slid it under her dress, and placed it on her left thigh, my fingers inches from her pussy.

Why'd she do that? Maybe her legs were cramping, and she wanted me to rub them too? I kneaded her upper thigh softly, still working her back.

"Yeah, like that," she moaned, pleased.

Okay, this was fine... just a comfy position, just a massage. What was I thinking? I'd rubbed her discharge on my dick, and her panties were in my pocket.

But we weren't having sex. When would I see her again? She was so torn up about me leaving. I was her best friend--she didn't even have girlfriends.

"Honey, turn on the radio," she called to Dad.

"Tennessee Whiskey" by Chris Stapleton kicked in. Dad loved it and started singing along, speeding up a little.

Mom finished the last of her wine. I slid my left hand slowly toward her inner thigh, closer to her slit, squeezing gently.

It wasn't her thigh anymore--I was massaging right next to her pussy. Each squeeze parted her lips, teased her entrance. I was so close. She had to be dripping again.

"Yes, keep going... that's so much better," she said, her voice thick with heat. Dad was too busy singing--maybe he thought she meant him.

She took my right hand and placed it on her right breast. "Now here," she said, squeezing my hand to show me how. I followed her lead, my left hand drifting up to her soaked, soft pussy, brushing her clit and pressing it.

This was wrong. So wrong. But she wanted it--or did I imagine that? God, what was I doing?

I kneaded her breast and circled her clit. She arched, head tipping back, grinding my dick harder with her ass.

This wasn't a massage anymore. I was shaking with arousal.

Chris Stapleton blasted on. Dad couldn't see--the TV blocked the rearview mirror.

Fine, I'd get my drunk mom off with my hands, then jerk off in a gas station bathroom. Must be those pill side effects.

She jolted up, grabbed my shorts, and yanked them down. I lifted my hips, and she got them to my knees. She hiked her skirt, gripped my cock, and sat so it slid between her lips, right up front.

I grabbed her breast again, working her clit--now swollen and firm.

She rocked her hips, riding me, her wet lips stroking my shaft, her breathing deep and fast.

This was too far. If Dad saw, he'd have a heart attack. He kept singing.

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Her scent--discharge and sweat--filled the car. Thank God the windows were cracked.

Her need was obvious. My arousal peaked--I couldn't hold back. I lifted her ass with my right hand, guided my thick cock with my left, and as the tip slipped into her hot, slick core, she sank down slow. She was so wet it went in easy, all the way. She let out a loud moan, losing it.

She froze. So did I. She pulled my hand off her breast, slid it to her thigh, and tugged her dress back up.

"Everything okay back there?" Dad asked, turning the volume down, glancing back.

"Fine. Eyes on the road, Mike," she said, her voice slurred but sultry.

She was my first. I wasn't a virgin anymore...

Guilt hit me hard--she was drunk, and I was taking advantage. How would I face her sober? Maybe the pills made her lose control. But she'd guided my hands herself. She wasn't fighting it. I wasn't forcing her--I loved her.

I rubbed her clit again, slow. So soft and warm inside her.

She leaned back, squeezing me with her walls--pure bliss. Her hand covered mine, guiding me to circle her clit just right, light pressure.

I grabbed her breast again.

"Loved that song. Play more country," she said, her voice tight, masking the heat.

Dad fiddled with his phone.

She rocked her hips, slow.

Hank Williams Jr.'s "I Got Rights" came on. Dad sang louder.

"Love this one, honey--crank it," she said, leaning forward to hug his shoulders. My cock slipped halfway out, her juices soaking my balls. I'd never seen it so big--probably never been this turned on.

She'd shaved weeks ago--short, thick hairs prickled. I lifted her dress higher, saw her tight, gorgeous asshole.

My hands rested on her thighs. Every bump thrust me in and out, sharp and quick.

She rocked slow, teasing, daring me to move. She chatted with Dad--I couldn't hear over the music.

I thrust deep, fast, rubbing her clit. She was drenched, her slick dripping onto my balls, the seat.

The back windows were tinted. A car of college girls drove alongside--maybe headed to campus too. I fucked my mom hard, staring at them. As I neared the edge, I slid my thumb into her ass--soft, hot.

I slammed in deep, shaking Dad's seat, and came hard, burying myself as far as I could, hugging her tight, pulling her back from Dad. We collapsed together.

"You guys okay? What's going on?" Dad asked, lowering the volume, peering at the blocked mirror.

I was still coming, my body jerking uncontrollably.

"Fucking, Mike. We're fucking," she said, sarcastic and drunk, arching with pleasure. I sucked her neck, squeezed her breast, unloading everything--pent up from a week of no release.

"Your sense of humor sucks when you're drunk. Hate it," Dad muttered, turning it back up.

She kissed my hand softly, her lips trembling, then slumped against me, breathing slow, body limp.

We sat there, spent. My cock softened, slipping out with a rush of fluid.

Hank wailed about rights; Dad sang oblivious. I stared out the tinted window, grappling with what we'd done. The girls' car was gone, lost on the highway.

I moved to pull up my shorts, adjust her dress. Lifting her toward Dad's seat, I caught a sharp smell--blood, all over my junk, thighs, shorts. Her pussy dripped red, mixed with my cum.

Panic hit--ringing ears, racing heart. Was she hurt? Did I do this? The pills, the wine--did they tear something inside her? I yanked my shorts up, fixed her dress, sat her back on me. My God--did I come blood?

"Mom?" My voice shook. No answer.

"You're bleeding," I said louder.

"Mike, kill the damn music for a sec," she snapped, slurring but sharp. Dad grumbled, turned it down. Silence crashed in.

"You okay?" he asked, not looking.

"Yeah," she said too fast. "Just... tired."

"Dad, stop the car," I said, forcing my voice steady. "Now."

"What's wrong?" he barked, glancing at the mirror--still blocked.

"Just stop--please, now!" I yelled.

He swerved onto the shoulder, gravel crunching. Mom slid off me, clumsy, her dress sticking to her thighs. She stared out the window, face blank, gone somewhere else.

Dad turned, squinting at the spreading stain on my shorts. "What the hell's going on back there?"

I opened my mouth--no words. She beat me to it.

"No big deal, Mike," she said, flat. "Just my period. Forgot tampons." She forced a weak laugh. "Guess the wine loosened me up more than I thought."

Dad cursed, rummaging in the glovebox for napkins. "Jesus, Mary, you scared the shit outta me."

I sat frozen, her panties in my pocket, her blood on my hand. Period? Maybe. But the way she dodged my eyes, the tremble in her fingers as she took the napkins--something felt off. I'd been deep. Too deep. Torn something? Or those damn pills, messing her up inside?

"Angelo, you good?" Dad tossed me a stack of fast-food napkins.

"Yeah," I lied, wiping my hands, my dick still slick beneath. "Just freaked out by the blood."

Mom pressed her forehead to the window, eyes shut. "Wake me when we get there," she mumbled.

Dad started the car, muttering about women and road trips. The highway stretched on, endless under the blazing sun. I stared at the back of her head, her sweaty blonde hair matted.

I felt like I'd done something awful, and that damn blood made it all the more tragic.

How would she act when she sobered up? What would we be now? Would she pretend it never happened? As long as she was okay, that's what mattered. Would this have happened sober, without those pills?

Lately, I'd been hearing there's no safe amount of alcohol. Maybe they're right.

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