A dirty penis following anal sex.
by G-Money-G February 10, 2010

by Men cat man May 30, 2019

Couldn't get any weed, only poostick. This poostick is bloody harsh, I think I'd rather smoke topleaf.
by xXSmilerXx May 25, 2009

by Mikeypoo March 08, 2005

by none ya March 08, 2005

“What are you doing to that pizza box?”
“I’ve blocked the shitter so I’m making a cardboard-poostick!”
“I’ve blocked the shitter so I’m making a cardboard-poostick!”
by Lady Shitcakes October 15, 2017

Poostick is sly insult to those who oppose liking the opposite sex. Only said to Homosexuals and those who have engaged in the odd sexual contact with their own gender, being called a Poostick is like the Matt Damon of the insult world.
by pneburnsy November 16, 2010
