YOU SAID:
My bro loves pooping his pants.
INTO JAPANESE
私の兄弟は彼のズボンをうんちするのが大好きです。
BACK INTO ENGLISH
My brother loves to piss his pants.
INTO JAPANESE
私の兄は彼のズボンを小便するのが大好きです。
BACK INTO ENGLISH
My brother loves to piss his pants.
You love that! Don't you?