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Acronym, stands for grassy area between the anus and the penis. Grundel.

Etym. Originates from Jewish summer camp, Camp Swig, Saratoga, Calif. Originally referred to grassy area between the Olam and the Pool.
Damn, my gaboap is a little moist. I have to pat it down with some Gold Bond.
by John Barak April 25, 2006
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