Top Definition
From the english language explaining ones sexuality and uncommon male actions. Also commonly refered to when having no previous sexual encounters or experiences.

G- GAY
U- UNTIL
P- PROVEN
I- INNOCENT

hey matt, are you gunna come to the beach to pick up some sexi bitches. "hey sorry guys im chilling here with the guys eating," Matt u are aware your having a picnic right? "yea, but im hungry" Matt your a FUCKIN' GUPI
by Spencer G July 02, 2007

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