look up any word, like blumpkin:
1. A threesome where a girl gets licked while she sucks a dick.
2. A butt ejaculating.
I was in a threesome where a girl was poonishrooming.
I fucked her so hard up the butt she pooninshroomed.
by Brandon Read May 19, 2007

Words related to pooninshroom

licking orgy penis pusy sex threesome