Top Definition
A sexual position that requires you to tuck back your boner between your legs and back into a girls cooter while doing so you must make a beeping noise like a truck.
Trying to get rid of an annoying girlfriend try the mantuckitjamstuffit and she will be running out the room in no time if not try and get her to fuck you and one of her girlfriends cause shes a freak.
by Dicks Enormious October 26, 2009

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