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1.
a local of Worcester, Massachusetts. Often show up at parties, they are sketchy and have no business at our functions.
That Woo-rat just tried to kiss your girlfriend, and/or drank from your keg
by paddywaggn3 April 26, 2003
 
2.
a resident of Worcester, MA, usually used in a derogatory fashion by a nonnative college student in a club setting.
"The place was packed up with Woo-rats, so we decided to go over to Irish Times instead."
by woorat August 30, 2003