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2 girls and 2 boys are needed.
The boys stand behind each girl and do her in the butt, while high-fiving each other over their heads.
The girls must insert a double-sided dildo into their vaginas while grabbing each other boobs.
"I can't believe you did a Mount Rumpke last night; you're sick."

"Everybody wins in a Mount Rumpke."
by LBSig October 02, 2008
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Jul 19 Word of the Day
the art of remembering an arousing occurrence or some porn you watched while masturbating, often handy if you have no porn or your in the shower
dude i had the best memory wank the other night, i was thinking about that time I walked in on your mum in the shower
by fonzatron2000 April 28, 2007
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