expression, noun
tomfoolery; monkey business; stupid act
Refers to foolish or reckless behavior, often used in admonitions like 馬鹿な真似をするな (Don't do anything stupid).
そんな馬鹿な真似はやめろ。
Stop that foolishness.
彼は酔って馬鹿な真似をした。
He got drunk and did something stupid.
Phrase composed of 馬鹿 (fool, idiot) + な (attributive copula) + 真似 (imitation, behavior). Literally 'foolish imitation/behavior'.