pop off

English

Verb

pop off (third-person singular simple present pops off, present participle popping off, simple past and past participle popped off)

1. (intransitive, informal) To leave, and return in a short time

   I'm just popping off to the shops to pick up some bread.

2. (intransitive, informal) To die suddenly.
3. (transitive, informal) To kill someone.
   • 1851, Herman Melville, Moby Dick, chapter 35

     When Captain Sleet in person stood his mast-head in this crow’s-nest of his, he tells us that he always had a rifle with him (also fixed in the rack), together with a powder flask and shot, for the purpose of popping off the stray narwhales, or vagrant sea unicorns infesting those waters; for you cannot successfully shoot at them from the deck owing to the resistance of the water, but to shoot down upon them is a very different thing.

4. (intransitive, informal) To speak frankly; usually to someone else's disdain (i.e. popping off at the mouth).
5. (intransitive, informal) To release flatulence, in most cases, in short rapid succession.