YOU SAID:

I farted an accidentally sharted then peed and called it brown soup

INTO JAPANESE

うっかり抜いてしまったおしっこをオナラして茶色のスープと呼んだ

BACK INTO ENGLISH

I farted on the pee I accidentally pulled out and called it brown soup

INTO JAPANESE

うっかり抜いたオシッコにオナラして茶色いスープと呼んだ

BACK INTO ENGLISH

I farted on the pee I accidentally pulled out and called it brown soup