YOU SAID:
I just pooped in my pants
INTO JAPANESE
私はちょうど私のズボンでうんざりした
BACK INTO ENGLISH
I was bored with just my pants
INTO JAPANESE
私はちょうど私のズボンに飽きていた
BACK INTO ENGLISH
I was tired of just my pants
INTO JAPANESE
私はちょうど私のズボンに疲れていた
BACK INTO ENGLISH
I was just tired of my pants
INTO JAPANESE
私はちょうど私のズボンに疲れていた
BACK INTO ENGLISH
I was just tired of my pants
That didn't even make that much sense in English.