pop off vs go away

pop off and go away both are verbs.

Word	Noun	Adjective	Verb	Adverb
pop off	No	No	Yes	No
go away	No	No	Yes	No

As verbs, go away is a hypernym of pop off; that is, go away is a word with a broader meaning than pop off:

Other hypernyms of pop off include go forth, leave.

pop off (verb)	go away (verb)
pass from physical life and lose all bodily attributes and functions necessary to sustain life	get lost, as without warning or explanation
leave quickly	go away from a place
	move away from a place into another direction
	become invisible or unnoticeable