You're All Wet

You're all wet if you think it can rain cats and dogs. This is has been prohibited by the Society For The Prevention Of Cruelty To Animals ever since sewers were improved. . Once upon a time, early in the eighteenth century, during torrential rains, sewers would back up drowning cats and dogs. Some wise guy said it had been raining cats and dogs.

While we're at it, your all wet if you think it never rains but it pours. Everyone knows that every cloud has a silver lining. Your all wet if you believe that the sun always shines after the rain. Have you ever been out when it's raining at night? Finally, you will get wet if it rains on your parade.