smash-up
US /ˈsmæʃ.ʌp/
UK /ˈsmæʃ.ʌp/

1.
scontro, incidente
a violent collision, especially of vehicles
:
•
There was a terrible smash-up on the highway this morning.
C'è stato un terribile scontro sull'autostrada questa mattina.
•
The police are investigating the cause of the fatal smash-up.
La polizia sta indagando sulla causa del disastro fatale.