Definitions by SwannyJ

BYM 

BYM is the acronym for beat your meat

Also see BMM

Guy 1: Dude, I have a fun game. Try to see how fast you can BYM. It relieves stress!

Guy 2: BYM?

Guy 1: Yeah! Beat your meat!

Guy 2: Ah! Okay, I should try that sometime. I'll so shatter your record.

BYM by SwannyJ April 28, 2009