2 definition by Phatazz

Top Definition
To deposit a large amount of excrement in a toliet while straining to the point of hemorrhage.
I ran to the bathroom because i had to rump-a-dump!
by Phatazz August 07, 2003

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A combination of the phrase "You Uncle Tom"
Fuck ya yakata!
by Phatazz February 23, 2003

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