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to laugh one's head off
01
to laugh or scream in great length or with extreme intensity
Idiom
InformalWhat is the origin of the idiom "laugh one's head off" and when to use it?
The idiom "laugh one's head off" is rooted in the idea that someone finds something so hilarious that their laughter is so intense that it feels like it might cause their head to come off. While there is no specific historical origin for this expression, it is used to describe uncontrolled and hearty laughter, emphasizing the idea of laughing to an extreme degree.
Examples
They will be laughing their heads off when they see my costume.
When the stand-up comedian delivered their punchline, the entire audience laughed their heads off.
