expression, godan verb (-su)
pout; purse one's lips
Describes the action of pushing one's lips forward, often to show displeasure, sulkiness, or dissatisfaction. The expression is a set phrase.
See also: 口を尖らす
彼女は怒って唇を尖らした。
She pouted in anger.
子
The child is pouting because they couldn't get the toy.