ぶっ殺す

to kill, to murder

ぶっ forcefully; violently + 殺す kill
verb · present tense Rare #45,212
to kill, to murder Extremely rough and aggressive; often used as a threat.
JA: 彼は怒って「ぶっ殺すぞ」と叫んだ。
EN: He shouted, “I’ll kill you!” in anger.

この野郎、ぶっ殺すぞ!

You son of a bitch, I’ll kill you!

ぶっ殺すぞ!

I'll fucking kill you!

— フィフス・エレメント (1997)

全員ぶっ殺す

I'll kill everyone.

— グエムル -漢江の怪物- (2006)

「ぶっ殺す」だなんて、物騒な言葉を使うんじゃないよ。

Don’t use such violent language as “I’ll kill you.”