1
general::
Phrase(s): knock someone dead
Go to knock someone dead, Phrase(s): knock someone dead
Fig. to put on a stunning performance or display for someone. (Someone is often replaced by ’em from them.) • This band is going to do great tonight. We’re going to knock them dead. • "See how your sister is all dressed up!" said Bill. "She’s going to knock ’em cold."
McGrawhill's American Idioms And Phrasal Verbs
2
general::
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.
American Heritage Idioms