jb

1) Short for jail bait.
2) A person who is almost, yet barely the age of consent.
3) Pornography which usually features girls 13-17 taking pictures of themselves naked in front of mirrors.
4) Not to be confused with cp.
"I fapped to some jb on the net. Little did I know it was my little sister."
by "A" June 15, 2008
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jb

1. Jonas Brothers

2. Jacob Black

3. Justin Bieber

All 3 of them are very annoying, yet they are loved by pretty much every tween in the world.
Tween: 0mG i ~*HeArT*~ jB!!!!1!!111! Jb IS s000 ub3r *SEXXiE* 0Mg!!!1!!!
Normal person: Which JB?
Tween: aWLL uv D3m!!!!!!!11!1!!!1
Normal person: Ew. Get a life and learn to type properly.
by [.meghan.] June 22, 2010
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jb

Jack Black from Tenacious D aka the greatest band in the universe
by woohoo1 September 27, 2007
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jb

the JONAS BROTHERS!!!! a band that has 3 brothers in it. Nick, Joe, and Kevin jonas. They were discovered in a barber shop and as more days pass, they become more famous!!
"OMJ (oh my jonas) JB is so HOTT!!"

"What you doing tomorrow?" asked ______.(insert name)
"I am going to a JB concert! there so cute!" says _________. (insert name)
by JB LOVER!! February 20, 2008
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jb, short for jizz bomb, meaing to come on ones face.
Guy: I'm gonna drob a load on ya face
Girl: Oh plz
Guy: ooohh JB on ya face
by <<>> December 15, 2004
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jb

the JONAS BROTHERS!!!! a band that has 3 brothers in it. Nick, Joe, and Kevin jonas. They were discovered in a barber shop and as more days pass, they become more famous!!
"OMJ (oh my jonas) JB is so HOTT!!"

"What you doing tomorrow?" asked ______.(insert name)
"I am going to a JB concert! there so cute!" says _________. (insert name)
by JB LOVER!! February 20, 2008
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jb

Jason Becker, one of the greatest guitarists ever. He started the speed metal band Cacophony along with Marty Friedman.
Now he's got ALS (Lou Cherigs disease, he's paralyzed), still, he continues to write beautiful music with the motion of his eyes and chins.
JB should stand for "Jason Becker" and not "Jonas Brothers". Nuff Said.
by ssj-tsurugi July 15, 2009
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