An ugly chick, most commonly with a ratlike nose/other features.

When someone's face resembls a rat

Generally, it is a person who ressembles a ratty homeless person but who in fact in fairly well off.

1. A derogatory nickname used to describe someone who is utterly disgusting in appearance.

2. A combination of a person whose facial features closely resemble that of vermin, and whose skeletons are visible through their skin due to extensive drug abuse.

3. A trailer whore.

Princess, Ratface, Mongoloid... Andrew R.

One whose face takes on the appearance of a Rat. Generally extremely intelligent, gets alot of rat-bitches. Quietly watches from an inconspicuous position until the time is right to strike.

Also, the nickname given to the King of Perth City, Western Australia, the most brutal Rat-Lord of them all.

a face that looks like a rat