rain cats and dogs

VERB
18 LETTERS · STARTS WITH R

rain cats and dogs is a valid 18-letter word worth 20 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
R1A1I1N1C3A1T1S1A1N1D2D2O1G2S1
1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 0 + 1 + 1 + 2 + 0 + 2 + 1 + 2 + 1 =20 PTS
DOUBLE WORD → 40TRIPLE WORD → 60
MEANING

What does rain cats and dogs mean?

VERB · 1 SENSE