YOU SAID:
Connor farted on a mouse's head
INTO JAPANESE
コナーはマウスの頭の上で怒った
BACK INTO ENGLISH
Conna got angry on the head of the mouse
INTO JAPANESE
コンナはマウスの頭に怒った
BACK INTO ENGLISH
Konna got angry at the head of the mouse
INTO JAPANESE
Konnaはマウスの頭に怒った
BACK INTO ENGLISH
Konna got angry at the head of the mouse
That didn't even make that much sense in English.