We found 4 dictionaries that define the word mmph:

General (2 matching dictionaries)

1. mmph: Wiktionary
2. MMPH: Dictionary.com

Miscellaneous (1 matching dictionary)

3. MMPH: Acronym Finder

Slang (1 matching dictionary)

4. mmph: Urban Dictionary

Definitions from Wiktionary (mmph) ▸ verb:  To make a muffled cry. ▸ Words similar to mmph ▸ Usage examples for mmph ▸ Idioms related to mmph ▸ Wikipedia articles (New!) ▸ Words that often appear near mmph ▸ Rhymes of mmph ▸ Invented words related to mmph