YOU SAID:
karl is a poo poo head
INTO JAPANESE
カールはうんちの頭です
BACK INTO ENGLISH
Carl is a poop head
INTO JAPANESE
カールはうんこ頭だよ
BACK INTO ENGLISH
Carl has a poop head
INTO JAPANESE
カールの頭はうんこです
BACK INTO ENGLISH
Carl's head is poop
INTO JAPANESE
カールの頭はうんちです
BACK INTO ENGLISH
Carl's head is poop
You've done this before, haven't you.