1 definition by SwannyJ

Top Definition
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.
by SwannyJ April 28, 2009
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