laugh your head off

laugh (one's) head off

To laugh uproariously or hysterically. Your jokes are perfect for your speech tonight. You'll have them laughing their heads off! I'm telling you, Mark's boyfriend is hilarious! He had me laughing my head off when I met him.
See also: head, laugh, off
Farlex Dictionary of Idioms.

laugh one's head off

Fig. to laugh very hard and loudly, as if one's head might come off. (See also cough one's head off. Fixed order.) The movie was so funny I almost laughed my head off. I laughed my head off at Mary's joke.
See also: head, laugh, off
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

laugh your ˈhead off

laugh very loudly and for a long time: If old Mr Bradley could see you now he’d laugh his head off. OPPOSITE: cry your eyes out
See also: head, laugh, off
Farlex Partner Idioms Dictionary
See also:
  • laugh (one's) head off
  • laugh head off
  • be laughing (one's) head off
  • be laughing your head off
  • laughing in the aisles
  • have (someone) laughing in the aisles
  • split (one's) sides
  • split sides
  • split your sides
References in periodicals archive
After several lost gigs, she's bouncing back with her 'Laugh Your Head Off World Tour.' In the 'trailer,' she promised to dish the dirt on Oprah Winfrey, the Kardashians and, who else?
Kathy Griffin bounces back
| AWARD-WINNING American funnywoman Kathy Griffin, above, will be telling the story of her controversial photo with a model of Donald Trump's head - and the fallout that followed - as she heads to the UK as part of her Laugh Your Head Off comedy world tour.
SHOW BUZZ; ALL THE LATEST FROM THE WORLD OF ENTERTAINMENT
| AWARD-WINNING American funnywoman Kathy Griffin, pictured, will be telling the story of her controversial photo with a model of Donald Trump's head and the fallout that followed as she heads to the UK as part of her Laugh Your Head Off comedy world tour.
SHOW BUZZ; ALL THE LATEST FROM THE WORLD OF ENTERTAINMENT
SHOW BUZZ ALL THE LATEST FROM THE WORLD OF ENTERTAINMENT | AWARD-WINNING American funnywoman Kathy Griffin, pictured, will be telling the story of her controversial photo with a model of Donald Trump's head and the fallout that followed as she heads to the UK as part of her Laugh Your Head Off comedy world tour.
SHOW BUZZ ALL THE LATEST [...]
Not the kind to make you laugh your head off anyway.
GAG ON SPEECH IS NEVER A JOKE
First you laugh your head Off; then you open a vein.
A Life in the Theatre