We found 5 dictionaries that define the word GMAFB:

General (2 matching dictionaries)

1. GMAFB: Dictionary.com
2. GMAFB: Wiktionary

Computing (1 matching dictionary)

3. GMAFB: Netlingo

Miscellaneous (1 matching dictionary)

4. GMAFB: Acronym Finder

Slang (1 matching dictionary)

5. gmafb: Urban Dictionary

Definitions from Wiktionary (GMAFB) ▸ verb:  (Internet slang, vulgar, imperative) Initialism of give me a fucking break: used to express frustration or annoyance. ▸ Words similar to GMAFB ▸ Usage examples for GMAFB ▸ Idioms related to GMAFB ▸ Wikipedia articles (New!) ▸ Words that often appear near GMAFB ▸ Rhymes of GMAFB ▸ Invented words related to GMAFB