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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1. v. to abandon

2. adj. disloyal

3. v. to betray

In reference to LeBron James' decision to sign with the Miami Heat instead of sticking with Cleveland and working hard to bring a Championship HOME.
Ex 1
I found a puppy in downtown Cleveland that was LeBroned.

Ex 2
I knew you were a jerk, but I never thought you would be LeBron to me.

Ex 3
Brutus LeBroned Ceaser when he stabbed him in the back.
LeBron Lebroned Cleveland when he signed with the Heat.
by cfat July 9, 2010
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To have sexual relations with said person's mother or female custodian.
1. Bill Clinton LeBroned you, yo!

2. Forrest Gump got LeBroned by the principal.
by Erichowyadoin' May 21, 2010
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Its a word that means "Ringless" or "No ring"
Someone that hates Frodo
Someone jealous of Kobe Bryant
Treacherous
I got divorced and now im Lebron
I hate Frodo!, Damn you Lebron
Kobe Bryant aint got shit on me, Damn you Lebron
I love Manchester United (5 minutes later) I love Chelsea, Damn you Lebron
by Im Pau Gasol March 28, 2011
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(verb, to LeBron, LeBronning, LeBronned) To betray, dishonor. To have no regard for anyone but one's self. To basically be the lowest form of human life possible.
Jerry Jones: Art, are you seriously gonna move the Browns to Baltimore?

Art Modell: Heck yeah.

Jerry Jones: Dude, you are so LeBronning them.
by Callosum July 10, 2010
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to not finish
Was with my main squeeze but was so wasted I had to LeBron her
by AndyBorowitz June 14, 2011
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