YOU SAID:

Johnny pooped on my hair

INTO JAPANESE

ジョニーは私の髪をpooいた

BACK INTO ENGLISH

Johnny had poo my hair

INTO JAPANESE

ジョニーは私の髪をうんちさせた

BACK INTO ENGLISH

Johnny pooped my hair

INTO JAPANESE

ジョニーは私の髪をうんち

BACK INTO ENGLISH

Johnny poops my hair

INTO JAPANESE

ジョニーは私の髪をうんち

BACK INTO ENGLISH

Johnny poops my hair