If you puff out your cheeks, you make them larger and rounder by filling them with air. He puffed out his fat cheeks and let out a lungful of steamy breath. see also puff 2
puff out
Turkish pronunciation
pʌf aut
Pronunciation
/ˈpəf ˈout/ /ˈpʌf ˈaʊt/
Etymology
[ 'p&f ] (verb.) before 12th century. * puff + out