YOU SAID:

i have poo in my pants

INTO JAPANESE

ズボンにうんちが入っています

BACK INTO ENGLISH

There is a poop in my pants

INTO JAPANESE

ズボンにうんちがあります

BACK INTO ENGLISH

I have a poop on my pants

INTO JAPANESE

ズボンにうんちがあります

BACK INTO ENGLISH

I have a poop on my pants