show-stopper

Thesaurus

Noun	1.	show-stopper - an act so striking or impressive that the show must be delayed until the audience quiets down showstopper, stopper routine, number, act, bit, turn - a short theatrical performance that is part of a longer program; "he did his act three times every evening"; "she had a catchy little routine"; "it was one of the best numbers he ever did"
	2.	show-stopper - something that is strikingly attractive or has great popular appeal; "she has a show-stopper of a smile"; "the brilliant orange flowers against the green foliage were a showstopper" showstopper attractiveness, attraction - the quality of arousing interest; being attractive or something that attracts; "her personality held a strange attraction for him"