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1. JUMP BONES
To describe the action of someone who wants to really, REALLY fuck your brains out.
Yeh, man. Jean was lookin extra busted today an I almost threw up when she gave me this look...like she wanna JUMP MAH BONES!
2. jump bones
to jump somebodys bones is to fuck / have sex with somebody
"DA-YUM GURL YOU LOOK FINE! i wanna jump your bones (jump bones)."