Dictionary / Vocabulary / 頬張る
ほおばる · also ほうばる
to stuff one's cheeks; to fill one's mouth (with food)
Also written 頬ばる、頰張る
男の子は口一杯にケーキを頬張った。
The boy stuffed cake into his mouth.
口に頬張ったまま喋るな。
Don't speak with your mouth full.