うえ噛合 かみあわっちゃう
ue kamia wa' chau

Godan Verb (u)

The completive aspect (contracted form) - indicates completion or regret of 上噛合わせ

1. Biting down on (something) too hard; Biting down on (something) and damaging it; (Regretfully) bit down on (something) too hard

Completed Action
Colloquial