A Bianca Party is when a group of lads gather around a laying girl and then spunk in her eyeballs.
by littleterror234 April 16, 2018
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The feminine form of Benjamin Button. Otherwise known as a woman who aging in reverse.
Becky: Oh em gee, is that a leather top? Ugh, why is she slutting it up so much these days?

Vanessa: Chill the fuck out, Rebecca. She didn't get this opportunity at 19. She's a Bianca Zipper.
by nocharge May 15, 2023
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A polite way of saying something is complete bullshit
"I'm bianca skeptic about this product's effectiveness"
by NotoriousRic July 22, 2016
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