Top definition
To fuck a fat chick, usually to distract her while your friend tries to score with her hot friend.
I was playing wingman when Dave hooked up with Kelly, so I had to jumbone her friend.
by Mutt the Dog October 31, 2007
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2
a. a really large boner
b. a puppy chew
Man, that girl with the pert rack gave me a hell of a jumbone.
The man threw the jumbone at the dog's head.
by christine February 05, 2004
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