When you poop directly into a girl's butthole and then use it as lube for anal sex
Smells like dirty Forrest in here
by Chill Cosby May 5, 2020
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To be such a rephrehensible person, that you think it is really funny to (whilst also getting a great amount of personal pleasure from) putting your fingers into a girls mouth, without asking for permission.
Did you see what that crazy ass motherfucker was doing last night? He was doing Dirty Forrests to all the girls!
by ThatBoyBotter February 8, 2021
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