Top definition
n. the mass and/or size of male genetalia, generally in reference to changes in penis dimensions resulting from excessive food consumption
I won't stop eating fast food because it helps me gain peepee weight.

Hot Babe: "Truth or Dare" was so good last night, Brett and Scott added peepee weight since last semester.

Sure Bryan gained 10 lbs this year, but it was all peepee weight.

by The League of Escapades April 29, 2008
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