smash-up
US /ˈsmæʃ.ʌp/
UK /ˈsmæʃ.ʌp/

1.
choque, colisión
a violent collision, especially of vehicles
:
•
There was a terrible smash-up on the highway this morning.
Hubo un terrible choque en la autopista esta mañana.
•
The police are investigating the cause of the fatal smash-up.
La policía está investigando la causa del choque fatal.