A term morons and teenagers (I'd say fag, but that's homophobic) use in place of "unlock," which refers, in this instance, to hacking a phone so that it may be used with service providers other than those intended by the manufacturer.
Person A: Damn nigga I'm about to jailbreak this phone! No mo' that AT&T shit for me.

Person B: Shut the fuck up.
by You are an Idiot February 10, 2010
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the act of throwing waterballoons or other suff at a person who is sitting on the toilet in a public restroom and running off
we've been pullin' jailbreaks since ever
by spark March 20, 2005
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When you have to fart really bad and when you do fart poop also comes out creating a jailbreaker.l
Kylee: Girl I just had a jailbreaker!
Makayla: Ew, so shit is coming out of your ass while you fart?
Kylee: Yupp!
by Jean Lynn McCass December 26, 2010
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When eating a Cheesy Gordita Crunch from Taco Bell, you take a bite and some of the meat/cheese falls out of the other end
Matt: "Man, this cheesy gordita crunch sure is good!"
*takes a bite and some taco meat falls out the back*

Mike: Jailbreak!
by Matt-ame April 22, 2007
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The course of having you're sexual partner act like they're pushed up against prison bars and coming up behind them, saying "I'm gonna be yo wife tonight". A very rough move.
"Hey baby, Want to do the jailbreak later??"
by nutmyjuicygoose December 13, 2016
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The act of stealing your phone back from your parents after they have "confiscated" it because you went over on texts or minutes.
"Hey text me later about saturday!" Krista
"Sure, oh shit I forgot my parents took my phone! I'll have to jailbreak it!"
by lucy=D July 15, 2008
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Man1: "Hey man are you in the Jailbreak Discord"

Man2: "hell no man last time i joined that i lost braincells"
by i_pp_my_pants February 17, 2019
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