knock someone's block 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!

See also: block, knock, off

Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

knock someone's block off

Beat up someone, as in If he doesn't leave at once, I'll knock his block off. This hyperbolic term employs block in the sense of "head," a usage dating from the 1600s. The idiom, however, dates only from about 1900. Also see beat the living daylights out of.

See also: block, knock, off

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

knock someone's block off

hit someone very hard in anger. informal

Block is used here in its informal sense of ‘head’.

See also: block, knock, off

Farlex Partner Idioms Dictionary © Farlex 2017

knock someone’s block off

tv. to hit someone hard in the head. (see also block.) Wilbur almost knocked Tom’s block off by accident.

See also: block, knock, off

McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.