Showstopper - Definition
showstopper
n 1: an act so striking or impressive that the show must be
delayed until the audience quiets down [syn: show-
stopper, showstopper, stopper]
2: 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"
[syn: show-stopper, showstopper]