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Meaning of bust ass | Babel Free

Verb CEFR B2

Definitions

To work hard, especially when trying to achieve a goal.
idiomatic, mildly, vulgar
To fart.
idiomatic, vulgar

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

bust chops bust down bust in bust into bust off bust on