We found one dictionary that defines the word usefuling:

Slang (1 matching dictionary)

1. usefuling: Urban Dictionary

(Note: See useful as well.)

Definitions from Wiktionary (useful) ▸ adjective:  Having a practical or beneficial use. ▸ Also see useful ▸ Words similar to usefuling ▸ Usage examples for usefuling ▸ Idioms related to usefuling ▸ Wikipedia articles (New!) ▸ Popular nouns described by usefuling ▸ Words that often appear near usefuling ▸ Rhymes of usefuling ▸ Invented words related to usefuling