YOU SAID:

it smells like crusty buttholes.

INTO JAPANESE

それは無愛想な喧騒のような匂いがします。

BACK INTO ENGLISH

It smells like unfriendly noise.

INTO JAPANESE

それは不愉快な騒音のように匂います。

BACK INTO ENGLISH

It smells like an unpleasant noise.

INTO JAPANESE

それは不快な音のように匂います。

BACK INTO ENGLISH

It smells like an unpleasant sound.

INTO JAPANESE

それは不快な音のように匂います。

BACK INTO ENGLISH

It smells like an unpleasant sound.