1. To break violently or noisily; smash; SYN. break up, break apart.
2. To cause to crash.
3. To fall or come down violently.
4. To hurl or thrust violently; SYN. dash.
5. To move violently; as through a barrier.
6. To undergo damage or destruction on impact; SYN. ram.
7. To move with, or as if with, a crashing noise.
8. To occupy, usually uninvited.
9. To stop operating; SYN. go down.