We found 18 dictionaries that define the word real McCoy:

General (13 matching dictionaries)

1. the real McCoy: Merriam-Webster
2. real McCoy: Vocabulary.com
3. the real McCoy, the real mccoy: Cambridge Advanced Learner's Dictionary
4. real McCoy: Wiktionary
5. real mccoy, the real McCoy: Dictionary.com
6. Real McCoy (band), Real McCoy (dance group), Real McCoy (musical group), Real McCoy, The Real McCoy (TV series), The Real McCoy (album), The Real McCoy (disambiguation), The Real McCoy (film), The Real McCoy, The real McCoy (disambiguation), The real McCoy, The real mccoy: Wikipedia, the Free Encyclopedia
7. real mccoy: Rhymezone
8. real mccoy: FreeDictionary.org
9. real mccoy: Mnemonic Dictionary
10. real McCoy: TheFreeDictionary.com
11. Real McCoy: Phrase Finder

Computing (1 matching dictionary)

12. Real McCoy, The Real McCoy: Encyclopedia

Miscellaneous (1 matching dictionary)

13. real McCoy, the real McCoy: Idioms

Slang (3 matching dictionaries)

14. Totally Unofficial Rap (No longer online)
15. American-Australian Slang Dictionary (No longer online)
16. Real McCoy, the real mccoy: Urban Dictionary

(Note: See real_mccoys as well.)

Definitions from Wiktionary (real McCoy) ▸ noun:  (idiomatic) The genuine thing, neither a substitute nor an imitation. Similar: real thing, real stuff, real Macoy, McCoy, mimickee, orignal, McCainiac, marrow, mimic, imit., more... Types: genuine, authentic, bonfide, real thing, more... Phrases: The real McCoy, more... ▸ Words similar to real McCoy ▸ Usage examples for real McCoy ▸ Idioms related to real McCoy ▸ Wikipedia articles (New!) ▸ Words that often appear near real McCoy ▸ Rhymes of real McCoy ▸ Invented words related to real McCoy