YOU SAID:

I just accidentally pooped on my dog by eating a whole can of mentos

INTO JAPANESE

私は誤ってメントスの缶全体を食べることによって私の犬にうんちをした

BACK INTO ENGLISH

I accidentally pooed my dog by eating an entire can of mentos

INTO JAPANESE

私は誤ってメントスの缶全体を食べることによって私の犬をうんちしました

BACK INTO ENGLISH

I accidentally pooed my dog by eating an entire can of mentos