knock them/'em dead

(informal)

to perform so well or to look so attractive that other people admire you a lot You'll knock them dead at the party tonight in your new black dress! (often an order) Just go out there tonight and knock 'em dead!

Common Names:

Name	Pronounced	Usage
Yared	-	Biblical Hebrew, Eastern African, Ethiopian
Janelle	jə-NEL	English
Rosario	ro-SAH-ryo (Spanish), ro-ZAH-ryo (Italian)	Spanish, Italian
Roald	-	Norwegian
KatarÍNa	-	Slovak
Alli	AHL-lee	Finnish