Top Definition
A person of low intelligence and/or character that feels an irresistible urge to spend each day in its entirety at the Spokane Transit Authority's "Plaza" located in downtown Spokane, WA. Plaza Rats can be viewed in their natural habitat at 701 W Riverside Avenue around the clock, regardless of whether or not STA Security has locked them out of the building for the night.
I banged up my car and had to take the bus, two Plaza Rats begged me for money, three begged me for smokes, and I think one of them was trying to mate with me.
by PLNaHD August 12, 2011
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