1 definition by Demoman925

Top Definition

A '15' (pronounced 'quince' keen-seh) or a 'Quinceañera' is the milestone birthday party that Mexican girls and their families throw in honor of the big one-five. It symbolizes a girl becoming a woman.
And let's be honest, it's also an excuse to throw a huge ass party, because we Mexicans love throwing big parties.
I have a 15 tonight. I'm so excited to go!
by Demoman925 July 30, 2011

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