Definitions by MuthaBirk

birk 

Commonly used as a substitute for fuck.

"Birk" is derived from "Birkenstock," thus lightly associated in an unintended manner with lesbianism in the eyes of the immature.

"Birk off"
"Birk you birken mother birker"
"Birken weirdos"

birk by MuthaBirk January 8, 2009