Definitions by Sumobot

kathunk 

1. Noun: The sound created by human shit hitting the water in a toilet. Often as a direct result of how large the log was and how deep the bowl is.

2. Verb: The action that brests perform when a topless female is getting fucked missionary.

1. Man, I had to hang on with both hands to try and and squelch that last kathunk.

2. I felt like I was going to break that bitches nose, you see how those things were kathunking her head?

kathunk by Sumobot March 28, 2009