If my boss heard me say that, he'd have laughed his head off.

She had the sound way up and was laughing her head off.

He picked it up and took a picture of Pete, laughing his head off.

I first read the book 10 years ago and laughed my head off.

I guess, as the rest of the team was laughing its head off.

Here, you can spend a night laughing your head off.

This became the origin of the saying "laughing your head off".

"I suppose if someone had lost an eye, you'd be laughing your head off!"

"Larry would have laughed his head off at this," she said.

Any other time I could have laughed my head off.