pop_off
1. [ verb ] leave quickly
Related terms: leave
2. [ verb ] (biology) die (colloquial)
Synonyms: drop_dead croak die_suddenly choke buy_the_farm snuff_it conk die_unexpectedly cash_in_one's_chips give-up_the_ghost kick_the_bucket
Examples:

"The old man finally kicked the bucket"

Related terms: die colloquialism