one's ass off

idiom

chiefly US, informal
: very hard
This comedian will make you laugh your ass off.
The people in the back were working their asses off.

Cite this Entry

“One's ass off.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/one%27s%20ass%20off. Accessed 27 Feb. 2025.

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