A fearsome attack done on an opponent's knees by stabbing them. Used by well known swedish boy PewDiePie.
Chad: Ha! Got your nose!
Brad: Give it back or else!
Chad: Bet.
Brad: SWEDISH BOY KNEE ATTACK AAAAHHH *stab
by PHINEASJWHOOPY December 20, 2018
Get the swedish boy knee attack mug.