馬ば鹿かさ加か減げん

expression, noun

degree of foolishness; extent of stupidity

Used to comment on how foolish someone or something is, often in a self-deprecating or critical tone. The phrase is a noun-like expression.

• 自じ分ぶんの馬ば鹿かさ加か減げんに呆あきれてしまう。

  I'm amazed at my own foolishness.

• あの計けい画かくの馬ば鹿かさ加か減げんは言こと葉ばにできない。

  The stupidity of that plan is beyond words.