fuu-fuu
Blowing repeatedly on hot food or drink to cool it down; also puffing and panting from effort.
💡A steaming bowl of ramen — 'I blew on the noodles fuu-fuu before eating.'
熱いラーメンをふうふう吹きながら食べた。
I ate the hot ramen while blowing on it fuu-fuu.
She blew ___ on the hot soup before tasting it.
熱いラーメンを○○吹きながら食べた。