YOU SAID:
Defenestrate your mom please, it’s raining cats and dogs.
INTO JAPANESE
猫と犬の雨が降っているので、お母さんを侮辱してください。
BACK INTO ENGLISH
It's raining cats and dogs, so please insult your mother.
INTO JAPANESE
猫も犬も雨が降っているので、お母さんを侮辱してください。
BACK INTO ENGLISH
Both cats and dogs are raining, so please insult your mother.
INTO JAPANESE
猫も犬も雨が降っているので、お母さんを侮辱してください。
BACK INTO ENGLISH
Both cats and dogs are raining, so please insult your mother.
That didn't even make that much sense in English.