When a friend jumps on the bed to create a sex-like movement while another couple are engaging in soaking.

Jump Humping is practiced by students of Brigham Young University (BYU) or Mormon teens because they are expected to remain virgins until marriage. That's because soaking (or marinating), according to Mormonism, does not count as sex.
I was called to go jump humping for my bestie at a BYU dorm while she soaks with her boyfriend.
by morpheus30 September 23, 2022
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The process used by short people to engage in sex with normal sized individuals.
Rick was having trouble consummating his marriage with his wife so Kenny told him to give it his best jump hump.
by Farrah Fawcett Hair August 12, 2014
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When you trip and fall onto a guitarist's dick, multiple times, while he's playing.
Dude, I was playing this gig last night and totally had someone Dava Dick Hump n' Jump me!
by GothicDemonBunny August 4, 2019
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