sexのようなどんな単語でも探してください。
 
1.
Rumpy bumpy is a euphemism for sexual intercouse.
"Me and your grandma iz gonna meet up tunight for a bit of rumpy bumpy."
Herbert Wumpermireによって 2008年05月09日(金)
 
2.
Rumpy bumpy is a euphemism for sexual intercouse.
"Me and your grandma iz gonna meet up tunight for a bit of rumpy bumpy.
Herbert Wumpermireによって 2008年05月07日(水)
 
3.
Yet another term for sex.

This is generally said by people who are afraid of saying the 's' word as they have spent the first four decades of their pitiful lives stuck to their mothers nips.
Ted: "Did you see that new adult site?"
Phil: "Yeah, I got some great rumpy bumpy viedos of it."
Dave Esquireによって 2006年02月22日(水)