when to gay men crap in each others dump hole
"i dont feel like an anal soooo lets rum dump!!!"
by oliver March 29, 2005
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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 7, 2003
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To have a relationship with someone simply for sex; the second you you're tired of the sex you dump your partner.

Quite simply using your relation for sexual intercourse.
"Oh I hear you're no longer with Gabbie? Did you just bang her?"

"Yeah, correct, it was just a standard rump 'n' dump"
by Makaveli 14 May 16, 2012
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