YOU SAID:

I want to poo poo and pee pee my pants:D

INTO JAPANESE

うんちとおしっこをしたいパンツ：D

BACK INTO ENGLISH

Pants that want to poop and pee: D

INTO JAPANESE

うんちとおしっこしたいパンツ：D

BACK INTO ENGLISH

Pants you want to pee with poop: D

INTO JAPANESE

うんちでおしっこしたいパンツ：D

BACK INTO ENGLISH

Pants you want to pee with poop: D