Involving a color & an animal, it's the second most common pub name found in the U.K. & is found on the U.K. coat of arms
i.e., 
coats of arms and shields, to refer to the colour silver), or more likely a shortening 
of... [DOC] [TLE] 500 Mostly Useless Facts - DJTECH.net [PAR] To escape the grip of a crocodile's jaws, push your thumbs into its eyeballs - it will 
let you go instantly.