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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A man that will keep on winning Mr.Olympia untill he retires. Never in the sport of bodybuilding has there been such a large gap between..