a show-stopper

a performance or part of a performance that is extremely good Her conference speech was a real show-stopper.

Name	Pronounced	Usage
Reko	RE-ko	Finnish
Serhiy	-	Ukrainian
Jarlath	JAHR-lath	Irish
Rajmund	RIE-muwnt (Polish)	Polish, Slovene
ÁEd	-	Ancient Irish, Irish Mythology
Arnason	['a:nəsn]