1 definition by Professor Butt Knuckle

Noun: An individual wearing a mask of your face, that ambushes you while you're taking a shit and starts enthusiastically fucking you. (in any orifice of the dumpleganger's preference)

Also refer to: Dumpelstiltskin
I barely had time to pinch a loaf before my dumpleganger burst in and started fucking my face!
by Professor Butt Knuckle November 21, 2015
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