I stood in the hallway with my shorts around my ankles, heart pounding, and showed them my small cock. Mom was on the couch folding laundry. Grandma sat in her usual chair by the window, knitting. Both of them looked up at the same time.
Moms eyes went straight to it. What the hell are you doing? she said, but her voice didnt sound angry. It sounded tight.
Grandma set her needles down slowly. Boy, youve got some nerve walking around like that.
My cock was soft and small, barely three inches, hanging over my balls. I felt it twitch under their stares. I just wanted you to see, I muttered.
Mom stood up. She walked over, close enough that I could smell her perfume. She reached down and lifted my cock on two fingers, inspecting it like it was something shed bought at the store. This is what youve been hiding? Its tiny.
Grandma chuckled from her chair. Come here, let me have a look too.
I stepped closer. Grandmas wrinkled hand wrapped around it, warm and firm. She gave it a slow stroke and watched it start to stiffen, still small, the head barely peeking out of her fist. Hard it doesnt get much bigger, does it?
No, I admitted. My face burned, but my cock throbbed in her grip.
Mom pulled her robe open. She wasnt wearing anything underneath. Her heavy tits hung free, nipples already stiff. She pushed her panties down and spread her legs on the edge of the couch. If youre gonna flash that little thing, you better use it.
I moved between her thighs. My small cock slid against her wet slit. It looked even smaller against her mature pussy, the lips thick and parted. I pushed in. She took me easily, no resistance, just warm, slick heat swallowing every inch. Mom let out a low moan. Fuck, its small but its hitting the right spot.
Grandma stood behind me, her hands on my ass, pushing me deeper into Mom. Thats it, fuck your mother with that tiny cock. Show her how bad you want it.
I thrust harder, the wet sounds filling the room. Moms pussy clenched around me, milking the short length. Every time I pulled back, Grandmas fingers teased my balls, tugging them gently. Look at you, getting harder for us. Such a dirty boy.
Mom grabbed my hips and pulled me in tight. Cum inside me. Fill me up with whatever that little cock can give.
I came fast, the orgasm sharp and sudden, pumping thick spurts into her. She held me there, grinding her clit against my pubic bone until she shuddered and came too, her walls pulsing around my spent cock.
Grandma wasnt finished. She tugged me out of Mom and pushed me onto the floor on my back. She hiked up her long skirt, no panties underneath, and straddled my face first. Her gray bush was thick and musky. She lowered her wet cunt onto my mouth. Lick your grandma while your mom gets you hard again.
Mom knelt between my legs and took my soft, cum-smeared cock into her mouth. She sucked it gently, tongue working the head, coaxing it back to life. It stayed small, but it stiffened enough for her to work with. Grandma rocked on my face, her juices coating my chin while I licked her swollen clit.
When I was as hard as I was going to get, Mom climbed on and sank down on me again. Grandma turned around so she could watch Mom ride me. She reached back and spread her ass, lowering her pussy onto my mouth once more. I was buried between them, fucking one while eating the other, my small cock sliding in and out of Moms sloppy cunt.
They took turns on me for what felt like hours. Mom came twice more, grinding down hard. Grandma flooded my mouth when she came, thighs shaking around my head. Finally Mom jerked me off with her hand, aiming my last weak spurts across Grandmas tits. Grandma rubbed the cum into her skin and licked her fingers clean.

We stayed like that, breathing hard, bodies tangled on the living room floor. Mom stroked my soft cock one last time and smiled. Next time you feel like flashing that little thing, dont wait so long.
Grandma patted my thigh. Well be waiting.