dressed to kill

all dressed up and nowhere to go

Elaborately attired or otherwise fully prepared for an anticipated situation or activity which, nevertheless, fails to occur.

dress to kill

To dress up so as to impress others (especially of the opposite sex).

dressed to the nines

Very fancily or formally dressed; wearing very showy or splendid clothing.

in for the kill

Intending to kill or destroy someone or something.

kill me

Alternative form of shoot me.

kill one's darlings

To destroy things or characters, particularly in art, of which one is fond, often reluctantly in order to improve one's artistic output.

kill the fatted calf

To begin a festive celebration and rejoice for someone's long-awaited return.

kill the goose that lays the golden eggs

To seek short-term gain at the sacrifice of long-term profit.