To have sexual intercourse, lustfully or aggressively.

Originally from the idea of jumping onto an erect penis (i.e. it would be done to a man not by a man), it has evolved to also refer to actions by the man with the erect penis.
Lisa winked at Mike, shirtless and sweaty after his workout, and said, "Let's go out to your ride. I totally wanna jump your bones."
by panscient June 07, 2009
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