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Definition: A parent (person) who shows discrimination between their daughters.

Adjective: Displays of discrimination or prejudice between your daughters, favoring one daughter over the other or calling them your other daughter's name.
Dad you're such a daughterist, you let my sister have the bigger slice of cake.

Dad you're such a daughterist, that's not my name! that's my sister's.
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by wHoNiVeRsE July 03, 2017
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