pop off vs buy it

pop off and buy it both are verbs.

Word	Noun	Adjective	Verb	Adverb
pop off	No	No	Yes	No
buy it	No	No	Yes	No

As verbs, buy it is a hyponym of pop off; that is, buy it is a word with a more specific, narrower meaning than pop off:

pop off: pass from physical life and lose all bodily attributes and functions necessary to sustain life
buy it: be killed or die

Other hyponyms of pop off include abort, asphyxiate, stifle, suffocate, pip out, drown, predecease, famish, starve, fall, succumb, yield.

pop off (verb)	buy it (verb)
pass from physical life and lose all bodily attributes and functions necessary to sustain life	be killed or die
leave quickly