What is the meaning of Pop_off?

To leave and return in a short time.

To die suddenly.

To kill someone.

To fire or launch (a shot, projectile, or missile), especially singly or in small bursts.

To speak frankly.

To release flatulence, generally in short rapid succession.

To thrust away, or put off promptly.

To turn off.

To perform extremely well (in a video game or other activity).

Source: wiktionary.org