YOU SAID:
My friend is a poopy lady
INTO JAPANESE
私の友人はうんちい女性です
BACK INTO ENGLISH
My friend is a poop woman.
INTO JAPANESE
私の友人はうんちの女性です。
BACK INTO ENGLISH
My friend is a pooping woman.
INTO JAPANESE
私の友人はうんちく女性です。
BACK INTO ENGLISH
My friend is a pooping woman.
That didn't even make that much sense in English.