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the act of cumming before an event in order to mentally and physically prepare and/or relax yourself for aforementioned event.

Examples of events can vary from: prom, graduation, a party, asking a girl/guy out, a football game, etc.
"Hey man are you nervous about giving that speech?"
"Nah, I had a pre-game nut and I feel ready for anything"
by Swag_Boi_Toni August 15, 2017
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