A fancy, expensive, wide brimmed hat usually worn by Sandy Andretti(ex-daughter-in-law of Mario Andretti,ex-wife of Michael Andretti,mom of Marco Andretti) at IndyCar races. Similar to Kentucky Derby Hats, but sticks out like a sore thumb in the environment it is usually sighted in.
You always know you're watching an Indy 500 rerun when you see a Sandy Andretti hat in the crowd.
by ConfettiCupcake June 16, 2009
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