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when fat women wear their pants very high you cannot tell where their fat stops and their vagina starts. this large mound of fat in between is referred to as a valump.
"look at her valump, lets make bets on how many kids she had"
by vafump April 07, 2010
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A dance move that is similar to twerking in that it involves jiggling the booty. There is one key difference: it involves two people.
Person 1: Hey wanna valump with me??
Person 2: Of course!! Valumping is my favorite past time!
by MoldyVoldy February 04, 2015
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