1. (v.) to stab someone (or something) in the back by leaving in an extravagant manner, such as getting a one-hour TV special to let your decision be known.

2. (n.) A person with a giant ego that needs to be in control. Tends to leave loved ones, hurting those people in the process.
1. Friend: How are you planning to LeBron you're fiance?
Groom: I'm probably going to get up on the table during the rehearsal dinner and tell everyone that I'm leaving her. Afterwards, I'll slap her and pour wine all over her.

2. Friend: Are you okay?
Bride: No. Jack just left me at the rehearsal dinner.
Friend: It's okay. You don't want to marry a LeBron anyways.
by xprime3234 July 9, 2010
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The act of hijacking an hour of TV to tell thousands of people something they already know. See State of the Union Address.
Does LeBron have to take this long to say he's going to the Heat? Now there'll only be 3 episodes of SportsCenter tonight, instead of 4.
by Tikibarberfan July 9, 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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