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。