We found 20 dictionaries that define the word me too:

General (14 matching dictionaries)

1. me too: Longman Dictionary of Contemporary English
2. me-too: Merriam-Webster
3. me-too: Oxford Learner's Dictionaries
4. me-too, me-too: Collins English Dictionary
5. me-too: Wordnik
6. me-too: Cambridge Advanced Learner's Dictionary
7. me-too: Webster's New World College Dictionary, 4th Ed.
8. me-too: Infoplease Dictionary
9. me-too, me too: Dictionary.com
10. Me Too (Meghan Trainor song), Me Too (Toby Keith song), Me Too (disambiguation), Me Too (hashtag), Me Too, Me too (hashtag), Me too (phrase), Me too: Wikipedia, the Free Encyclopedia
11. me-too: TheFreeDictionary.com
12. me too: Wiktionary

Business (2 matching dictionaries)

13. MoneyGlossary.com (No longer online)
14. Travel Industry Dictionary (No longer online)

Computing (2 matching dictionaries)

15. me too: Free On-line Dictionary of Computing
16. me too: Encyclopedia

Medicine (1 matching dictionary)

17. online medical dictionary (No longer online)

Slang (1 matching dictionary)

18. me-too, me too: Urban Dictionary

Definitions from Wiktionary (me too) ▸ verb:  (Internet slang, Usenet) To agree with someone. Similar: be with, stand with, agree, take the point, cosign, chime in, like, yes to death, subscribe, vibe, more... Phrases: me too drug, It Hurts Me Too, You Like Me Too Much, opened me up too, more... ▸ Words similar to me too ▸ Usage examples for me too ▸ Idioms related to me too ▸ Wikipedia articles (New!) ▸ Words that often appear near me too ▸ Rhymes of me too ▸ Invented words related to me too