laugh one's ass off
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
Synonym of laugh one's head off (“to laugh uproariously”).
Register: slang, vulgar
Where it’s used:
Used
American English
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “laugh one's ass off” mean?
Synonym of laugh one's head off (“to laugh uproariously”).
Is “laugh one's ass off” formal or informal?
laugh one's ass off is generally slang, vulgar.