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1. to engage in sexual relations with another. comes from the root: tappimus datus assimus
refers to tapping a keg
Boy, I'd sure like to tap dat ass.
by fallacy October 30, 2001
above definition as used in a popular pickup line
"is that a keg in your pants, 'cause i'd sure like to tap dat ass'
by Anonymous December 06, 2002
to tap ones anus
damn i'de like to tap dat ass. she so fine
by Anonymous May 06, 2003