We found one dictionary that defines the word someone's idea of fun:

General (1 matching dictionary)

1. someone's idea of fun: Oxford Learner's Dictionaries

▸ Words similar to someone's idea of fun ▸ Usage examples for someone's idea of fun ▸ Idioms related to someone's idea of fun ▸ Wikipedia articles (New!) ▸ Words that often appear near someone's idea of fun ▸ Rhymes of someone's idea of fun ▸ Invented words related to someone's idea of fun