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To fail spectacularly

To totally check out when the situation calls for action;

To take a backseat in the action.

To perform very badly in clutch situations
Friend 1: Dude, what happened when you went back to that chicks place?

Friend 2: Everything was perfect. It was go-time, and I just Lebronned the whole thing up.
by Mezie June 14, 2011
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Sep 6 Word of the Day
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Damn that was a steezy ass kickflip son!
by niggaliciouszor April 29, 2007
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V: To have a sports star leave what he claims is his hometown due to a perceived lack of accomplishment. These failed accomplishments may be championships, MVP awards, or wins against a heated rival. While the above reasons are most often mentioned in leaving, many times it's for nothing but increased pay or notoriety.
Did you see how bad he Lebronned Cleveland last night?
by call911mfc July 09, 2010
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Shooting blanks. When you have sex more than four times in a given day and your penis begins to exhaustively emit a powdery substance resembling the famous Lebron powder toss at the beginning of each game. Double entendre.
Dude we had sex nine times yesterday. After the fourth go I just Lebronned the fuck out of her.

I wonder how many times he masturbated before we had sex cuz he Lebronned in the second quarter...
by S-stevey reeid March 03, 2018
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