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13.
A made up slang word used to show when people are full of shit and pretending to know what they are talking about when they really don't
Person1: "Oooo man someone just dropped a major J Bomb!"
Person2: "O yeah man..."
Person1: "Wait...you don't know what a J bomb is?!!!"
Person2: "Yeah I do!"
Person1: "Well then what is it then?"
Person2: "..."

You get the point
by J Bomber. May 28, 2010
 
1.
When you're scanning through radio stations and you're not sure if you've stumbled upon a christian station, the J-bomb is what you listen for in order to tell.
Dude, the singer just dropped the J-bomb! Change the station quick!
by Leefy Greans April 16, 2006
 
2.
Noun: a Jägerbomb - a shot of Jägermeister dropped into a glass of Red Bull and immediately swallowed.
Stacy's obsessive consumption of Jäegerbombs earned her the nickname "J bomb".
by Speedog 2 January 23, 2011
 
3.
A nickname for someone who always brings materials necessary for Jagerbombs (red bull, Jager, possibly shot glasses, etc.) to a party. This person is extremely awesome, women want him, and men wanna be him.
Nick always brings Jager and red bull to the party, so we call him J-Bomb. He's so awesome!
by TheAmazingNEZ December 30, 2010
 
4.
A Jiz bomb, a few ml of clearish, white liquid which excretes from the penis after after playing with your self or a friend
When your bored and feel like taking a shower, 'while Im at ill also go drop a J-BOMB'
by Cademcnade June 01, 2009
 
5.
A joint or "marijuana cigarette"
"Let's go smoke a J-Bomb!"
by WillyJ September 12, 2005
 
6.
Slang term to jack off or masturbate and or ejaculation/release of semen/sperm. Also used as abbreviated term for Jizz Bomb.
Mateo: Whats up Landon?
Landon: Dude I haven't J-Bombed in days!!!!!
by Intelligencia April 11, 2010
 
7.
1) Joke bomb - telling a joke that sucks.
Carlos mencia was up on stage dropping J-bombs left and right.
by psven July 29, 2010