pun-pun
Puffing your cheeks out in obvious anger. A childish, huffy kind of mad — often cute rather than scary.
💡A child whose toy was taken — 'She was pun-pun all afternoon about it.'
約束を破られてぷんぷん怒っている。
She is pun-pun angry because the promise was broken.
My little sister was ___ because I ate her snack.
おやつを食べられて妹が○○怒っている。