puff up vs puff out

puff up and puff out both are verbs.

Word	Noun	Adjective	Verb	Adverb
puff up	No	No	Yes	No
puff out	No	No	Yes	No

As verbs, puff up and puff out are synonyms defined as:

Other synonyms of puff up include blow up, puff.

puff up (verb)	puff out (verb)
make larger or distend	to swell or cause to enlarge
to swell or cause to enlarge
praise extravagantly
become filled with pride, arrogance, or anger