Definitions by Tim Graham

twobird 

A term used to describe any action that proverbially "kills two birds with one stone." Particularly, when one manages to defacate (poop) and masturbate in one solitary trip to the restroom.

Chris: "Yeah I'll be back in ten."
Tim: "Give me twenty, I'm going to twobird."

twobird by Tim Graham September 23, 2008