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verb: when part of ones hand is inserted into a sexual orifice of his/her significant other, then is used to shake the hand of a direct relative of the significant other before a proper cleansing of the hand occurs
person 1.
dude, so while i was visiting my girl, i fingered her in the basement while the rest of the family was upstairs. later when i met her brother, i totally gave him a Davey Shake. that poor guy second handedly touched his sisters vagina.

person 2.
u do realize ur goin to hell for that right?

person 1. oh yea.
by robot189 March 19, 2010
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