a big gun

a big gun/noise

(informal)

an important or powerful person in a group or organization She's a big gun in city politics.

Name	Pronounced	Usage
Sotirios	-	Greek
Kamalani	-	Hawaiian
Dale	DAY-əl, DAYL	English
Miina	MEE:-nah	Finnish
Porsche	PAWR-shə	English (Modern)
Riina	REE:-nah (Finnish)	Finnish, Estonian