go off
Pronunciation:
verb
Definitions
To explode.
Example: The bomb went off right after the president left his office.
To fire, especially accidentally.
Example: The gun went off during their struggle.
To explode metaphorically; to become very angry.
Example: It all went off when the opposing teams' fans met at the railway station.
To begin clanging or making noise.
Example: Just after he spotted the first plane on the horizon, sirens started to go off around the city.