YOU SAID:
Your mom is goofy ahh
INTO JAPANESE
あなたのお母さんは間抜けです
BACK INTO ENGLISH
your mom is dumb
INTO JAPANESE
あなたのお母さんはばかだ
BACK INTO ENGLISH
your mother is an idiot
INTO JAPANESE
あなたのお母さんは馬鹿です
BACK INTO ENGLISH
your mother is an idiot
Come on, you can do better than that.