2 definitions by Kirbyb

Top Definition
n. An automobile that is going fast enough to "flush out" police and allows another automobile to drive over the speed limit without being ticketed.

Synonamous with cop cleaner.
It is ok to go 65 in a school zone, your bird dog is going 70.
by Kirbyb September 19, 2005

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In a gathering with some males and less females, the male who is socially unacceptable and thereby flushes females towards other males.
Poor Joe, he was the bird dog of the party last night. But at least I got some!
by Kirbyb September 19, 2005

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