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When you grind your crotch into something so furiously, the effect is equal to that of a saw. Used in the first chapter of the fanfiction HHHHHHHHHHHHHHHHHHHHHHHHHHHHHH.
"Dobby relished his groinsaw's roar as he withdrew the flesh-choked blade from the astronaut's ruined skull."
by Firstpillow December 11, 2009
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