Top definition
The type of dump that makes your pants fit better and makes your legs quiver.
Last night when we got back from KFC I had a thumper dumper!
by Dr. Lipschitz August 26, 2010
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2
a person who people thinks does so many good deeds that they should be called "Thumper Dumpers".
"(*woohoo*) well aren't you such a Thumper Dumper!!!!!"
by MRDKQP March 07, 2010
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3
n. The act of masturbating during a poo; alternately, the act of pooping while masturbating
Thumper Dumpers are a great way to save time in the morning.
by NicCagedHeart January 09, 2017
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