go-off

Verb

(third-person singular simple present goes off, present participle going off, simple past went off, past participle gone off)

(intransitive) To explode.
The bomb went off right after the president left his office.
(intransitive) To fire, especially accidentally.
The gun went off during their struggle.
(intransitive) To explode metaphorically; to become very angry.
When the boss came to know about the scheme, he went off, shouting and throwing everything away.
(intransitive) To begin clanging or making noise.
The alarm will go off at six a.m. Just after he spotted the first plane on the horizon, sirens started to go off around the city.
(intransitive) To depart; to leave.
Having sated her appetite, she went off in search of a place to sleep. I don't know where he's going"”he went off without a word.
(intransitive, UK, Australia) To putrefy or become inedible, or to become unusable in any way.
Bugger"”the milk's gone off already!
To like less.
Ever since falling off my bike, she's gone off cycling to work.