Middle school slang for someone who likes penis.
Esteban: Hey Jose, that kid over there's a real peen boy

Jose: Yea I saw him talking with the fags earlier
by Mochaleopard March 8, 2019
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One (typically who has hit puberty) who loves penis. They simp for dudes but are unsuccessful in their efforts.
Damn Connor Kendall just shot me down in fortnite, he is such a peen boy.
by Bill Buttlicker June 6, 2020
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