Top Definition
Someone who is just plain dirty, looks like they haven't showered in a month, and when you looks at them you get a chill down your spine. The biggest dirt rats have big teeth.
Eww, teresa looks so ugly, shes such a dirt rat.
by Eric E. July 25, 2006

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.