I'll knock your block/head off!(redirected from I'll knock your head off)
knock (one's) block off
To strike someone with great force, usually in the head. If you insult me like that again, I'll knock your block off!
knock (one's) head off
To strike one with great force, usually in the head. Usually used as a threat or a hypothetical action. If you insult me like that again, I'll knock your head off! That football nearly knocked my head off. I'm glad I ducked in time!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
I’ll knock your ˈblock/ˈhead off!(British English, spoken) used to threaten somebody that you will hit them
Farlex Partner Idioms Dictionary © Farlex 2017