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The sound made by the "catcher" when the "pitcher" inadvertently enters the "wrong" orifice.
She let out a loud, muffled grumpf into the pillow when he slipped out and entered the one-way back street!
by Backstroke March 29, 2014
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2
The multi colored lint that appear from out of nowhere in you belly button
Gosh, I wonder what I wore that made red grumpf appear today.
by Sandei Kirshen October 28, 2003
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