YOU SAID:

my sister stinks like her poo ,ew so stinky

INTO JAPANESE

私の妹はうんこのように臭い、えっと臭い

BACK INTO ENGLISH

My sister, yeah, smells like this, uh, smells like that.

INTO JAPANESE

妹の匂いがする匂いがする

BACK INTO ENGLISH

It smells like my sister.

INTO JAPANESE

妹の匂いがする。

BACK INTO ENGLISH

I smell my sister.

INTO JAPANESE

妹の匂いがする

BACK INTO ENGLISH

I smell my sister.