1 definition by rim shot

when you see your unsuspecting friend with his hands at his sides, you walk up to him and yell Open Chest! and you punch him in the chest as hard as you can..CAUTION! usually results in impaired breathing and chest pains for a few hours.
You: Hey Adam
Adam: Whats up?
You: Open Chest! (punch)
by rim shot May 11, 2005
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