3 definitions by slopecarver

replacement profanity word in the ringworld series, flup is what the spill mountains are made of which is the sediment at the bottoms of the seas which is pumped to the top of the mountains
how the flup do I get to the top of that spill mountain
by slopecarver July 30, 2010
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when you spread your cheeks to fart silently, like a dog which has no cheeks.
Joe spread his cheeks to dogfart in bed silently without disturbing his wife.
by slopecarver March 10, 2015
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