When a female sits on a mans penis facing away from him while he puts lit sparklers in her her vagina while he waves small american flags in his hands; sex position specifically supposed to be performed on 4th of july.
by carcassxcutter July 10, 2010
Get the Uncle Slam mug.When two individuals have sexual intercourse in the cowgirl position at the base of the Lincoln Memorial while waving several American flags.
by M-Chill December 21, 2012
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