YOU SAID:

That was the nastiest smelling napkin I ever smelled.

INTO JAPANESE

それは私が今まで臭いが厄介な臭いナプキンだった。

BACK INTO ENGLISH

It was a stinky napkin I ever smelled nasty.

INTO JAPANESE

私は今まで嫌な臭い臭いナプキンだった。

BACK INTO ENGLISH

I smell bad smell ever napkins.

INTO JAPANESE

嫌なにおいまでナプキンの匂いを嗅ぐ。

BACK INTO ENGLISH

Until the stinky smell of napkins.

INTO JAPANESE

までナプキンの臭いにおい。

BACK INTO ENGLISH

Until the smell of the napkin.

INTO JAPANESE

までナプキンの匂い。

BACK INTO ENGLISH

Until the smell of the napkin.