canceling too close to a deadline; not leaving others the time to find a replacement.
-> “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.”
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.
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.
1. To "choke"
2. To fail to accomplish an important goal (such as obtaining an NBA title on a team that has three great players on it like the Miami Heat)
Guy #1: Dude don't LeBron on your essay!
Guy #2: Okay, I'll try my best!
Guy #1: Did you finish your science project?
Guy #2: Nah, I totally LeBronned it.