馬ば鹿かを言いう

expression, godan verb (-u)

talk nonsense; say something stupid

Used to tell someone they are saying something foolish or unreasonable. Often in the form 馬鹿を言うな (Don't be silly).

• そんなこと、馬ば鹿かを言いうなよ。

  Don't talk nonsense like that.

• 彼かれはまた馬ば鹿かを言いっている。

  He's talking nonsense again.