laugh like a drain
US /læf laɪk ə dreɪn/
UK /læf laɪk ə dreɪn/

1.
ridere a crepapelle, ridere a squarciagola
to laugh very loudly and uncontrollably
:
•
When he told the joke, she started to laugh like a drain.
Quando ha raccontato la barzelletta, ha iniziato a ridere a crepapelle.
•
The comedian had the whole audience laughing like a drain.
Il comico ha fatto ridere a crepapelle tutto il pubblico.