Bieber Punch 

The act of having someone else throw a punch or punches in a fight on your behalf due to you being an overwhelming gigantic vagina.

Last night Johnny went to the club and his buddy had to throw a Bieber Punch to protect him from getting his head stomped in.

Bieber Punch by El Turd Face September 4, 2013

beiber punch 

When you make fun of a kid for having Justin Beiber-like hair, he punches you and after he punches you wipes his now fallen hair out of his eyes

Also see beiber kick (coming soon)

don't make fun of emo kids, they might beiber punch you!

beiber punch by beiberpunch victem January 13, 2011