We found 12 dictionaries that define the word big boys:

General (8 matching dictionaries)

1. big boys, the big boys: Merriam-Webster
2. the big boys: Oxford Learner's Dictionaries
3. the big boys: Cambridge Advanced Learner's Dictionary
4. big boys: Wiktionary
5. Big Boys: Wikipedia, the Free Encyclopedia
6. Big Boys: TheFreeDictionary.com

Business (1 matching dictionary)

7. Big Boys: Legal dictionary

Medicine (1 matching dictionary)

8. Big Boys: Medical dictionary

Miscellaneous (1 matching dictionary)

9. Big Boys: Idioms

Slang (1 matching dictionary)

10. Big Boy's, big boys: Urban Dictionary

Definitions from Wiktionary (big boys) ▸ noun:  (idiomatic, plural only) The people or bodies with the most influence and/or power. Similar: big gun, powers that be, everybody who is anybody, big hitter, big daddy, biggers, gorilla, big shot, big man, power, more... Phrases: the big boys, more... ▸ Words similar to big boys ▸ Usage examples for big boys ▸ Idioms related to big boys ▸ Wikipedia articles (New!) ▸ Words that often appear near big boys ▸ Rhymes of big boys ▸ Invented words related to big boys