buy the farm vs pip out

buy the farm and pip out both are verbs.

Word	Noun	Adjective	Verb	Adverb
buy the farm	No	No	Yes	No
pip out	No	No	Yes	No

As verbs, pip out is a hyponym of buy the farm; that is, pip out is a word with a more specific, narrower meaning than buy the farm:

buy the farm: pass from physical life and lose all bodily attributes and functions necessary to sustain life
pip out: be killed or die

Other hyponyms of buy the farm include abort, asphyxiate, stifle, suffocate, buy it, drown, predecease, famish, starve, fall, succumb, yield.

buy the farm (verb)	pip out (verb)
pass from physical life and lose all bodily attributes and functions necessary to sustain life	be killed or die