(one's) ass off

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(one's) ass off

slang A phrase used to emphasize the preceding verb as having been done to the maximum degree. I worked my ass off to get where I am today! He laughed his ass off when his little brother came home covered in mud.
See also: ass, off
References in periodicals archive ?
The dress is just so beautiful and the train comes off, so she can party her ass off.
Perez claimed that Lopez had shouted at her that she only picked on her every f**king day and that even though she worked her ass off, deliver, Perez kept pushing her aside and treating her like s**t.
Two weeks later, she drew her rival in the main draw at Indian Wells and blasted: 'I do think I can kick her ass off.
Indeed, Estrich studied hard in college, worked her ass off in law school, lost her father, graduated without a dime, earned a tenured professorship at Harvard, bravely published Real Rape (she herself was a rape victim), and has since proceeded on a remarkable and public-spirited career as an author, activist, and commentator.
She can sing her ass off and to go up there and do that?