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?