show-stopper

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show-stopper

The most exceptional or memorable performance or item among others; a stand-out. Yeah, the opening act was a real show-stopper—the headlining band was disappointing in comparison! All the pieces in the designer's collection were excellent, but the wedding dress was a real show-stopper.
References in periodicals archive ?
Mamta walked in with aplomb expecting applause, as befits a showstopper.
Kolkata, Apr 6 (ANI): Bollywood actor John Abraham was a showstopper at the Kolkata fashion show.
Model turned actress, Mugdha Godse, walked as a showstopper for the designers.
Nobody's talking about it yet, but Flatley's been set to perform on this year's Academy Awards show, a number that's already quietly being referred to by insiders as a showstopper.
As a ShowStoppers sponsor, eSynch will have the opportunity to meet editors, reporters, columnists and industry analysts at one of the largest technology shows in America.