じまっちゃダメ【
仕舞っちゃダメ
】

jimaccha dame

Godan Verb (u)

,

Auxiliary Verb

A casual prohibition ("not allowed to...") of しまう

1. Don't finish it.; Don't do that.; Don't stop.

Casual Register

,

Prohibition

,

Colloquial

,

Usually Written in Kana