YOU SAID:

i will say the very bad stinky smelly supercalifragilisticexpialidocious

INTO JAPANESE

私は非常に悪い臭い臭いがする

BACK INTO ENGLISH

I have a very bad smell.

INTO JAPANESE

私はとても悪いにおいがします。

BACK INTO ENGLISH

I smell so bad.

INTO JAPANESE

私はとても臭いがする。

BACK INTO ENGLISH

I smell very much.

INTO JAPANESE

とても匂いがします。

BACK INTO ENGLISH

I smell very much.