a big name/noise
a big noise
An important, successful, or influential person. Did you hear that Kelly got promoted to senior analyst? She's a big noise now.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
a big ˈname/ˈnoise,
a ˈbig shot(informal) an important person: ‘What does Ian’s dad do?’ ‘Oh, he’s a big shot in the City.’ OPPOSITE: small fry
Farlex Partner Idioms Dictionary © Farlex 2017