knock someone's block off

Definitions

To strike a person in the head, causing them to fall to the ground, especially in an unconscious condition; to beat up a person.

idiomatic, slang

Examples

“"I can't stand⟳ the sight of him," he would say⟳, "and I'd be glad if somebody would come⟳ along and knock⟳ his block⟳ off—when he was not in the ring⟳."”

“An airport cab starter threatened to knock⟳ Fiorello H. LaGuardia's block⟳ off when the New York Mayor parked his car across the taxi line.”

“"If anyone wants to call⟳ a guardsman a draft dodger, tell⟳ him to stand⟳ in front of me and say⟳ it and I'll knock⟳ his block⟳ off," Gen. Fluck said.”

“Mr. Gottfried said Miller announced, “I'm going to knock⟳ your block⟳ off”— and punched Mr. Jones, who was thrown against a buffet table.”

CEFR level