knock (one's) head off

(redirected from knock their heads off)

knock (one's) head off

To strike someone with great force, usually in the head. If you insult me like that again, I'll knock your head off!
See also: head, knock, off

I’ll knock your ˈblock/ˈhead off!

(British English, spoken) used to threaten somebody that you will hit them
See also: block, head, knock
References in periodicals archive ?
But I did say that if Britain stood up the Aussie defence, didn't try to knock their heads off and ran the angles more, we would have a chance.
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