pop off

verb9

1. •
   (informal) to leave a place quickly and come back a little later

   • I'm just popping off to the shops to pick up some bread.
2. •
   (slang) to perform extremely well, often in a video game or a sport, similar to "nail it"

   • After changing my mouse sensitivity, I immediately started popping off.
   • Pop off, queen!
3. •
   (informal) to say openly what one thinks, often loudly, angrily and without thinking first
4. •
   (informal) to die suddenly
5. •
   (UK, informal) To turn off.

   • Pop that light off, will you?
6. •
   to fire a shot from a gun or another weapon
7. •
   (informal) to kill someone, often by shooting them

   • Dig your own grave, then I'll pop you off! — 1923
8. •
   (informal) To release flatulence, generally in short rapid succession.
9. •
   To thrust away, or put off promptly.