We found one dictionary that defines the word spent gnats:

General (1 matching dictionary)

1. spent gnats: Collins English Dictionary

▸ Words similar to spent gnats ▸ Usage examples for spent gnats ▸ Idioms related to spent gnats ▸ Wikipedia articles (New!) ▸ Words that often appear near spent gnats ▸ Rhymes of spent gnats ▸ Invented words related to spent gnats