YOU SAID:
Poopy pants in your poopy pants
INTO JAPANESE
あなたのうんちパンツでうんちパンツ
BACK INTO ENGLISH
Poop pants with your poop pants
INTO JAPANESE
あなたのうんちパンツと一緒にうんちパンツ
BACK INTO ENGLISH
Poop pants along with your poop pants
INTO JAPANESE
あなたのうんちパンツと一緒にうんちパンツ
BACK INTO ENGLISH
Poop pants along with your poop pants
That didn't even make that much sense in English.