To go up behind someone and jump and thrust at the same time
As a prank Jon went up behind Andy humped him like jack rabbiting
by Eserahs Phillips May 12, 2015
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A man who has fast but not deep penetration during sex, similar to a jack rabbit popping his head in and out of a hole quickly. Usually only a little more than the tip of the penis enters, and it is quickly removed repeatedly so as to only stimulate the head of the penis.

It can be used as a verb and a noun
Girl 1: "How was your date last night? I heard that guy jack rabbits."
Girl 2: "Yeah, he's a Jack rabbit all right. Speedy dick barely got in there."
Girl 1: "What's with guys jack rabitting all the time? It's so selfish."
Girl 2: "I don't know, maybe they think the faster the better? Anyway, I definitely won't fuck him again."
by NiNo Marie June 12, 2013
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The best dildo ever. Featured on Sex and the City. Go out and buy it.
I used my jack rabbit last night and came five times.
by Me January 31, 2005
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John has been hitting the smack hard and now he has got a really bad jack rabbit.
by neilos May 21, 2012
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to fornacate like a rabbit at the same rate of feroscity as a jack russell
He was rattling away like a wee jack rabbit!
by nickyboy10 April 28, 2006
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He had a brushburn on his penis because he is a jack rabbit
by Aldis Weinerman March 16, 2010
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to fornacate like a rabbit at the same rate of feroscity as a jack russell
He was rattling away like a wee jack rabbit!
by nickyboy10 April 28, 2006
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