Top Definition
Extremely thrifty person never found inside stores or restaurants. Never been seen with a woman, but claims not to be gay. Most likely to be seen at thrift stores/ asleep at the wheel. Suffers from massive gastrointestinal diseases. Likes to drink soap.
That bum over there under the bridge has got some serious birke going on.
by Ironman 450 July 30, 2003

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