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Mr. Big

American  

noun

Slang.
  1. a man having the highest authority, control, prestige, or influence in a group, field, situation, or the like, especially in the underworld.


Mr Big British  

noun

  1. slang the head of an organization, esp of a criminal organization

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Mr. Big

First recorded in 1935–40

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The chat started with a question about their worst dates then segued into Mr. Big asking what the two expect from a guy on a first date.

From Los Angeles Times • May 14, 2025

“He’s Mr. Big Shot,” added Jones, who snared 11 of his own boards, good for his sixth double-double of the season.

From Seattle Times • Jan. 27, 2024

After Mr. Big spots this promise, he gets his old squad, the Chocolate Chips, back together, now with Merlin at the helm.

From New York Times • Aug. 17, 2023

It turns out, Mr. Big was the bigger bad habit she couldn’t quit.

From Los Angeles Times • Jul. 27, 2023

“Calm down, calm down,” said Mr. Big Bucks Ballard, pulling at his tie.

From "Okay for Now" by Gary D. Schmidt