when a female pleasures herself by inserting her finger into her vagina.
Elise can't come to the phone, she is busy finger humping in the shower
by timmy leary July 30, 2008
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A gesture done towards someone who does or says something very stupid or ridiclous. It invloves giving the person the finger with both hands and doing a pelvic thrusting motion at the same time. This gesture can be seem most in PARKVILLE
Dude i think they make rootbeer by putting sugar in coke!
-Ur an idiot....(Doube Middle Finger Humping)
by parkville April 7, 2005
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