Top Definition
to crack an iPhone so it can run 3rd party programs. just like how you were able to install other programs w/PSP
noob: dude, u gotta update your iPhone, the new patch is awesome
guy: screw that, I'm waiting for someone to jailbreak the new patch so I can run my games
by inoesomestuff November 12, 2007
In electronics: to enable use of a consumer electronics product not intended by the manufacturer through the exploitation of software hacks.

Commonly used to refer to enabling a carrier-locked phone, such as the iPhone, to accept SIM cards from other carriers. Or a restricted platform to run unlicensed or homebrew software.
"If you don't want to pay for AT&T on your iPhone, you can just jailbreak it."
by Ex Omni July 23, 2008
When you prematurely ejaculate, usually while in public.
Clint: That girl's so hot...
Steve: Making eye contact with here will make your jail break.
by BustaNutz June 29, 2011
In reference to a married or co-habitating couple, on parole refers to when one's spouse or partner is out of town, leaving the other person to temporarily live a pseudo-single life style, wasting time and money in an orgy of short-lived freedom. Often characterized by the person hanging out with his or her single friends, that have probably not been contacted in a long time. Also refered to as a on parole.
Dude, Sally is out of town. So it's a jail break for John! He wants us to hit up the titty-bars every night this week!
by Houman February 01, 2006
noun; having a bowel movement in such a way where the waste leaves your body with great force and quantity. This is the type of event you cannot stop once set in motion and you would prefer to have happen in a safe and familiar bathroom.
I shouldn't have had all that Mexican food last night. That is definitely going to cause a jail break in the morning.
by Patrick V. Dooce December 31, 2008
When your penis dangles down one of your legs and partly exists outside of your underwear. Never happens when wearing tight pants.
"Yo dude, look away. I've got to put my hand in and stop a jailbreak.
by Deli God February 23, 2013
the time immediately after leaving a long term relationship when you rediscover your freedom and have sex with as many people as you can
he only just broke up with her and already he's shagged 4 other girls

oh he's just on a jailbreak
by little acorn August 28, 2011
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