rumpster

One whom has a very large rear end
Hey there Rumpster, get out of my way!
by Gavin LeDoux August 13, 2007
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cum rumpster

Like a "cum dumpster", only instead of in the vadge you primarily prefer to take it in the butt.
Susanne, you like it in the butt so much. You are a real cum rumpster. And that's the truth!
by Thomas the Cum Elf July 10, 2010
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