laugh your head off

US /læf jʊər hɛd ɔf/
UK /læf jʊər hɛd ɔf/
"laugh your head off" picture
1.

mourir de rire, rire à gorge déployée

to laugh very loudly and for a long time

:
The comedian was so funny, we were all laughing our heads off.
Le comédien était si drôle, nous étions tous morts de rire.
I told him a joke and he started to laugh his head off.
Je lui ai raconté une blague et il a commencé à rire à gorge déployée.