YOU SAID:
I just pooed my pants
INTO JAPANESE
私はズボンをうんちした
BACK INTO ENGLISH
I pooped the pants
INTO JAPANESE
私はズボンをうんち
BACK INTO ENGLISH
I poo pants
INTO JAPANESE
私はパンツをうんち
BACK INTO ENGLISH
I poo pants
You've done this before, haven't you.