1 definition by Belieber
Made up on twitter, it is a type of orgasm people get when they see teen popstar sensation Justin Bieber. Justin may even get these himself time to time.
Justin Bieber Fan #1: OMG! Justin looks sooo hot here!! :0
Justin Bieber Fan #2: It looks like he's having a biebergasm! mmmm.
Justin Bieber Fan #2: It looks like he's having a biebergasm! mmmm.
by Belieber December 20, 2009