to fail to execute at a critical juncture in an athletic event.
Boy, Lebron James really lebroned that potential game winning lay-up last night.
by Harry Stanfeld May 01, 2008
Defined on
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
to not finish
Was with my main squeeze but was so wasted I had to LeBron her
by AndyBorowitz June 14, 2011
To screw someone over. To inadvertently cause harm to someone by not coming through in the clutch.
I'll pick you up at the airport. Don't worry bro I wouldn't lebron you like that.
by sherhag June 19, 2011
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 15, 2011
In Manderin Chinese LeBron has been known to mean selfish prick and/or bastard.
Sean: Hey Matt pass the ball!

Matt: No

Sean: Dude you're being a total LeBron.
by LeBronhater23 April 24, 2010
someone who quits on you when you really need them, then move on to something better
girl1: Girl I don't see how you stay calm after he lebron you like that.
girl2: It dont matter, i guess he was to good, sometimes you have to let them go.
by jayboomboom July 10, 2010

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