1. A muscle in your forearm that gets built due to excessive masturbation.

2. Your throat.
1. Friend 1; Aw man! Check thus chug muscle I got going on.
Friend 2; Dude. Go get laid.

2. Friend 1; After all that crazy masturbation, I might need to stretch my other chug muscle. *Opens tin*
by xMFBx July 5, 2008
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