When your fucking a girl from behind real hard and your dick accidently slips out of her pussy and tears into her ass.
She yelped like a chihuahua when I gave her a Grainy Surprise.
by FilthyMan69 March 29, 2006
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When a man having sex with a woman on the beach pretends to be performing oral sex on her during the missionary position, meanwhile covering his wet penis in the sand, and soon after, surprising the woman by the forcefully thrusting back inside her with the sand-covered penis
I was about to climax, until Peter Brown got me with his grainy popsicle.
by Jnassssssty May 14, 2009
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Adj ; usually used to describe a person (generally a girl) that's nasty and dusty as fuck.
Do you see that grainy ass bitch digging in the trash? She used to be fine as fuck what happened to her?
by Naadnad14 March 9, 2022
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As a noun it’s defined as weird or unnatural.
“YO your moving grainy it’s actually annoying”
by Fismail February 15, 2021
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