タガが外れる
タガがはずれる · also たががはずれる
to become unrestrained and go to excess; to lose all restraint; to lose one's tension and become relaxed; to let go
Meaning
- to become unrestrained and go to excess; to lose all restraint; to lose one's tension and become relaxed; to let go; to become disorderly; to be scattered; to lose one's self-control