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Crouching on TOP of a keg, with one hand holding the open keg tap in your mouth while the other is pumping the keg. Your buddies all around you beat their chests like gorillas and make ape noises for the duration of your keg ape.
Dude, last night at the Lookout we were doing keg-apes till 4am.

Wedmore fell of the keg doing a keg ape.
by neuma neuma December 12, 2010
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