We found 5 dictionaries that define the word effin:

General (2 matching dictionaries)

1. Effin, effin: Wordnik
2. Effin: Wikipedia, the Free Encyclopedia

Computing (1 matching dictionary)

3. effin: Netlingo

Slang (2 matching dictionaries)

4. effin, Effin: Urban Dictionary

Definitions from Wikipedia (Effin) ▸ noun:  a townlandTownland of Effin Placenames Database of Ireland. ▸ Words similar to effin ▸ Usage examples for effin ▸ Idioms related to effin ▸ Wikipedia articles (New!) ▸ Popular adjectives describing effin ▸ Words that often appear near effin ▸ Rhymes of effin ▸ Invented words related to effin