pop off
[verb]
Synonyms: go, blow, exit, get away, get off, leave, pull out, retire, run along, take off, die, cash in, check out, croak, kick in, kick off, pass, pass away, perish, succumb

[TahlilGaran] English Synonym Dictionary ▲

pop off phrasal verb informal (see also pop)
to die suddenly

[TahlilGaran] Dictionary of Contemporary English ▲

pop off
to complain angrily about something.
Neal popped off in a nationally televised interview.

Those owners are always popping off about the difficulty of competing against wealthy teams.

[TahlilGaran] English Idioms Dictionary ▲