To not wear underwear, then flash everyone getting out of the car.

Also known as a Lohan.
"I thought I would be fine going comando, but I totally pulled a Britney"

"Be careful in that dress! Don't pull a Britney!"
by RachelD December 20, 2007
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The new moniker for Britney Spears, after she SHAVED HER HEAD!!!
"What is Britney Shears thinking with that head?"
by MSG February 19, 2007
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Everyone knows a Britney Anslow! Britney Anslow is a hoe
Sophie jones is so Britney Anslow
by FishOrangeTastebud June 3, 2020
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Accidental (or perhaps intentional) opening of legs while wearing a skirt or dress without undergarments.
And when she stepped out of the car, it was obvious that she went full Britney tonight
by OleNassau February 24, 2009
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a girl who would do almost anything to always get attention.
"Look at Lia acting like a britney spears with her pink lacy thong wrapped around her left ankle."
by Kirk Lawrence July 3, 2006
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When the ratio of kids in your car is more than the amount of seltbelts available.
"We took all 5 kids for an icecream in the car and were Britney Spearsin It.
by M1977 February 20, 2008
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A child whose parent does not enforce discipline and spoils them with whatever they want.
That mom better stop buying her kid everything and beat her ass for misbehaving, otherwise she's going to turn into a britney brat
by mtubeekeeper February 28, 2010
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