PUFF UP
Meaning of PUFF UP in English
puff up | ˌpuff sth ↔ ˈup
to swell or to make sth swell :
Her cheeks puffed up.
The frog puffed itself up.
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005