無む勉べん

noun

without studying; not having studied

Slang noun used mainly by students to describe taking a test or exam without any preparation. Often used in phrases like 無勉で受ける (take without studying).

• 明日あしたのテスト、無む勉べんで受うけるしかない。

  I have no choice but to take tomorrow's test without studying.

• 無む勉べんだったけど、意い外がいとできた。

  I didn't study, but I did surprisingly well.