We found 3 dictionaries that define the word tear-ass:

General (1 matching dictionary)

1. tear-ass: Wiktionary

Slang (2 matching dictionaries)

2. tear-ass: Green’s Dictionary of Slang
3. tear-ass: Urban Dictionary

Definitions from Wiktionary (tear-ass) ▸ verb:  (US, informal, vulgar) To move extremely quickly; to rush. ▸ Words similar to tear-ass ▸ Usage examples for tear-ass ▸ Idioms related to tear-ass ▸ Wikipedia articles (New!) ▸ Words that often appear near tear-ass ▸ Rhymes of tear-ass ▸ Invented words related to tear-ass