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Habit. This is an example of cockney rhyming slang.
John has been hitting the smack hard and now he has got a really bad jack rabbit.
by neilos May 20, 2012
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 30, 2005
1. n. describes a person who commonly engages in the act of boning as much as they possibly can.

2. n. a small furry, yet extremely horny rodent, who fucks with such high intensity that their heart/lungs may burst.
1. Keith is such a jackrabbit.

2. I bet Peter and his girlfriend fuck like wild jackrabbits.
by CPepe December 19, 2005
Not to be confused with jackhammer, jackrabbit is NOT a compliment! It can be characterized by a painful, non-enjoyable sex experience. When being the victim of such a sexual encounter it is best to watch tv, or take your mind off of it in some manner. Planet Earth is generally suggested.
Wow. I had jackrabbit sex last night, it sucked.
by Kurah Whorekapic November 01, 2009
To fuck like a bunny (aka: all the time)
Man, you guys are a couple of jackrabbits!
by Supercruise February 09, 2006
People who have nothin else on their mind but having sex 24/7
those two are jackrabbits
by d;ahga April 19, 2003
The act of shoving your penis into any open hole on another person's body rapidly and repeatedly. This should be, but is not required to be, a sneaky act and one done with caution seeing as the person will become extremely angry.
I jackrabbited that bitch to show her who was boss.

One of my favorite hobbies is jackrabbiting

by Jackrabbitmeister AKA Kakashi February 23, 2009