big shot
big gun
big wheel
big cheese
big deal *
big enchilada
big fish
head honcho

Hyatt this year formed a Camp Hyatt Kids Council, 12 children of various ages that the hotel's head honchos will ask for advice on menu changes, new activities and such.

I dont understand why the head honchos are making such a large fuss.

And by coincidence, Shandian's head honchos have started disappearing all over the place.

Not that it matters much anyway, as long as you don't tick off any of the head honchos around here.

Offense are the head honchos here.

PIRA's head honchos came up with a solution, and as I read on, I couldn't help but admire it.

These were saved for the head honchos, the top dogs, the numero unos, or in securities talk, the Big Producers.

The head honchos must have decided they didn't want any dead weight around after the problems we had on the Stover job.

Ahirudin further departed from the New Straits Times Press on May 2006, amid speculation that included a "run-in with the present head honchos in the organization."

"Listen, you and the kid and Colonel Macklin are the head honchos around here, as far as I can see," Lawry told Sheila.