A sexual act involving trying to push your testicles into someone's anal cavity during non-participatory guy on girl intercourse.
Usually done to try to get more enthusiastic involvement from your partner.
"Man, I was banging Shana the other night, and she was laying there all comatose, so I tried stuffing my balls in her ass... It was like trying to stick a cat in a bathtub..."
One who takes advantage of a situation for personal gain... so much so that he/she makes it look as easy as fucking a cat. for example, scoring an open net goal.
Hey, way to take my beer when I wasn't looking, you cat fucking bastard.