knock dead
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Greatly amuse, astonish, or thrill someone, as in This new song will knock them dead. This slangy hyperbolic expression was first recorded in 1889. Also see knock the socks off.
QUIZ
ALL IN FAVO(U)R OF THIS BRITISH VS. AMERICAN ENGLISH QUIZ
There's an ocean of difference between the way people speak English in the US vs. the UK. Are your language skills up to the task of telling the difference? Let's find out!
Question 1 of 7
True or false? British English and American English are only different when it comes to slang words.
Words nearby knock dead
knob lock, knock, knockabout, knock back, knock cold, knock dead, knockdown, knock-down-drag-out, knock down with a feather, knocked-down, knocker
The American Heritage® Idioms Dictionary
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