As wet as a drowned rat—i.e. soaking wet. Drowned rats certainly look deplorably wet, but so also do drowned mice, drowned cats, and drowned dogs, etc.
· ·
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Entry taken from Dictionary of Phrase and Fable, edited by the Rev. E. Cobham Brewer, LL.D. and revised in 1895.
· 
· 