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: "..."
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.
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.