To fail miserably at the last second
I was a shoe in for the job but then I Lebroned the interview!
by Sombrador June 16, 2011
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Defined on DontLebronMe.com
-verb
canceling too close to a deadline; not leaving others the time to find a replacement.
-> “Rich lebronned his duty of being the DD, forcing us to walk home last night.”
-> “We planned on meeting you guys last night, but the babysitter had to lebron for some new guy she met.”
-> “Every single time you tell me I can count on you, you back out and screw me. All I’m saying is, if you promise me you’ll be there, Don’t Lebron Me.”
-> “The boss doesn’t tolerate lebrons.”
by DontLebronMe October 26, 2010
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Either an interjection used when one disapproves of something, or a verb meaning approximately the same thing as the slang form of SUCK or FAIL.
This movie LEBRONS!! You bought your jeans a size too small? LEBRON!!
by StarkLife June 16, 2011
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1.To give up or leave early when not finishing something important.

2. To lose and leave after a competition in an angry manner.
Yo you know we had to finish that group project but you always Lebroning
by FunnyEric July 13, 2010
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Dwayne: Aye Chris don't pass the ball to him right now.
Chris: Is he Lebroning again?
by Dj. Brown Kid August 27, 2011
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The art of ejaculating into your hands, then throwing the semen in air like Lebron James does with powder.
Ryan: John, why is there semen on the ceiling?
John: Well Ryan, last night I watched some killer porn and gave myself a Lebron!
Ryan: That must have been some movie!
by King James 23 August 28, 2009
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Lebron is a slang word for "blow" which is a slang word for cocaine. Prior to the start of the basketball game, Lebron James powders his hands and throws it in the air similar to something you would see Al Pacino do in Scarface.
Mo: Last night was wild.

Krackis: Oh yea? What'd ya get into?

Moseph: I partied with Lebron...

Krackis: Lebron keeps the party going all night.
by Enlicensed One May 10, 2009
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