drop dead

drop dead
phrase of drop
die suddenly and unexpectedly.
"she had seen her father drop dead of a heart attack"
INFORMAL
used as an expression of intense scorn or dislike.
drop-deadDictionary result for drop-dead
/ˈdräp ˈˌded/Submit
adjectiveINFORMAL
adjective: drop-dead
used to emphasize how attractive someone or something is.
"her drop-dead good looks"