a big fish

a big fish

An important, successful, or influential person. Meeting a big fish like the company's CEO can be quite an intimidating experience for an intern. I'd rather be a big fish in a small pond than move to New York City and be a nobody!
See also: big, fish

a big fish

  (informal)
an important or powerful person in a group or organization Mrs Coughlin is one of the directors - a big fish.
See also: big, fish
References in classic literature ?
I think you are cut into baits by the screw, but you dreeft - dreeft to me, and I make a big fish of you.
Laurence hooked up a big fish with the crooked end of his cane and held it out to her.
One day, while he was watching the horses, he came to the banks of a river, and saw a big fish, which through some mischance had been cast on the land, struggling hard to get back into the water.