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1 definition by atmger

 
1.
The term given to the worse player in 4 person Mario Kart playing season.

You become the 'Birdo' by virtue of being last in a Mario Kart league system, however you can instantly become 'The Birdo' for finished last in all 8 races in an 8 race single event.
Oh my, he finished last in all 8 races. What a Birdo
by atmger March 09, 2011
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