go off

verb

1. run away; usually includes taking something or somebody along"The thief made off with our silver"
2. be discharged or activated"the explosive devices went off"
3. go off or discharge"The gun fired"
4. stop running, functioning, or operating"Our power went off during the hurricane"
5. happen in a particular manner"how did your talk go over?"
6. burst inward"The bottle imploded"