YOU SAID:

I am an idiotic idiot

INTO JAPANESE

私はばかな馬鹿だ

BACK INTO ENGLISH

I am stupid idiot.

INTO JAPANESE

私はばかなばかです。

BACK INTO ENGLISH

I am a foolish idiot.

INTO JAPANESE

私は愚かなばかだ。

BACK INTO ENGLISH

I am a foolish fool.

INTO JAPANESE

私は愚かなばかだ。

BACK INTO ENGLISH

I am a foolish fool.