What is Jerk Muscle?
1.
The muscle developed in the forearm from jerking off too much. Often exaggerated amongst friends to make one appear to jerk off more than they might.
Mike: Dude, you been going to the gym yet?
Nate: I started going a week ago.
Shannon: Don't listen to him, we broke up a week ago and that's just his jerk muscle gone crazy.
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Random Words:
1.
To go out and run up a tab, and mysteriously misplace/lose your wallet and make a friend cover your bill with promises of future payment..