Top Definition
1. To commit wholeheartedly to a goal, usually drawing on all of one's courage.

2. To bring players forward in an attack-oriented formation in soccer.
1. Stop dreaming about telling your boss to fuck off. Just penis up and do it.

2. We're down 4 goals with 15 minutes left. Now is the time to penis up.
by KevintheOH September 12, 2006

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