drop dead vs pip out

drop dead and pip out both are verbs.

Word	Noun	Adjective	Verb	Adverb
drop dead	No	No	Yes	No
pip out	No	No	Yes	No

As verbs, pip out is a hyponym of drop dead; that is, pip out is a word with a more specific, narrower meaning than drop dead:

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

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

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