When a male and female have anal intercourse and fecal matter is on the male's penis or comes out of her anus during intercourse
by Da Nematode July 23, 2018

by Sauce!! May 12, 2025

by ζαχαρίας March 25, 2022

When fingering your sex partner insert bird finger into the anus then remove it and flick off the world as if your on top. Your shitty bird finger is now called the dirty bird.
by Jonnyappleseedsnut May 13, 2019

The act of taking a can of worms (primarily ones bought at a fishing store) and seeds then consuming them until they are completely crushed inside of one's mouth. Then, with the crushed worms, you regurgitate the food into another person's mouth. Then
by butter-flies January 31, 2023

by Tits Gonzalez September 28, 2021

Reaching around your ass and grabbing your balls while letting your dick (preferably hard), rest on your fist. To simulate the middle finger giving some one the bird.
"Dude I gave my boss the 'dirty bird', after he fired me for sleeping in one of his boring meetings."
by Same Welton May 14, 2021
