Top Definition
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."
#butt sex #dildo #boobs #midget #penis
by LBSig October 02, 2008
5 Words related to Mount Rumpke
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