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...