byeongshin 

Byeongshin, The Korean word for mentally retarded or idiot.

John died in online game trice in a row what a byeongshin.

byeongshin by Farlista December 18, 2014

byungshin 

a korean word which means idiot or stupid, usually used when pissed or having fun

Kim Seok-jin sometimes aks like byungshin hyung

stop acting like a byungshin!

ohh look at him dancing like a byungshin

byungshin by princessofbangtanboys October 23, 2017