We found 2 dictionaries that define the word grinman:

General (1 matching dictionary)

1. Grinman: Rhymezone

Slang (1 matching dictionary)

2. grinman: Urban Dictionary

Definitions from WordNet (Grinman) ▸ name:  A surname (very rare: popularity rank in the U.S.: #84325) ▸ Words similar to grinman ▸ Usage examples for grinman ▸ Idioms related to grinman ▸ Wikipedia articles (New!) ▸ Words that often appear near grinman ▸ Rhymes of grinman ▸ Invented words related to grinman