Female version of a white knight.

Can be a lesbian that vehemently defends thots on Instagram, OR can be a straight woman who kisses the ass of a Chad and constantly sucks up to please men, whilst trashing women because she's " not like other girls "

White knightesses are the most annoying women to exist. Other females hate her, or they ARE her.
Angela: ALL men are good men! We need more male positivity because men have it worse than women! All women are stuck up bitches!

Kaitlyn: Stop being a fucking White Knightess you annoying bitch!
by aikorik September 29, 2019
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