A poosy is when you stick your dick inside a girls arsehole and get juice all over your dick and then stick it back in her pussy - voilà you've made a poosy!
Hey Josh bro, how was your night last night?

Amazing bro! I gave her a poosy!
by Poosymonster December 30, 2020
My friend Aaron Hemmers was a huge poosy for not hooking up with that girl.
by rmatic August 20, 2006
Poosy. is how ethnic Italian's/Immigrants in general.. who are just trying to call someone a pussy.
01. DAD: my son john he'sa poosy!

02. Santino: That girl I Fucked night of the last..She had'a smelly Poosy
by coxacas July 5, 2009
When a girl wipes her ass and accidently gets the poo on her pussy.
"Babe, dont lick me, I think I have poosy!"
by loveomylife January 26, 2009
Coined by crazy Colombian, entertainer, and stunt man, Daniel, used as his expression for those who are unable to match or out do his craziness! "Poosy" also symbolizes weakness.
"Don't be a poosy brosef, drink the fooking beer!"

"Don't be a bread, eat the fooking Poosy!"

"If you don't understand what fooking means, you're a fooking poosy"
by DontBeAPoosy July 10, 2014
An alternative insult directed towards a noun of your choice, and a way to sound not as explicit. Also, another way to say cat.
(A)Shut the hell up poosy!

(B)Did you see that poosy? It was black and gray with pink on the nose.
by PoosyRachel July 28, 2010
A combination of the words "poo" and "pussy" to form one word relating the use of the asshole as a pussy. Often, but not necessarily always, used in the case of a mtf transsexual.
I think I broke her ass-hymen, her poosy was bleeding all over me last night.
by The Nagus June 21, 2011