YOU SAID:

My cat has a stinky bottom

INTO JAPANESE

私の猫は臭い尻があります

BACK INTO ENGLISH

My cat has a stinky butt.

INTO JAPANESE

私の猫はお尻が臭い。

BACK INTO ENGLISH

My cat smells of buttocks.

INTO JAPANESE

私の猫はお尻の匂いがする。

BACK INTO ENGLISH

My cat smells of buttocks.