Karen → Κάρεν, απαιτητική μεσόκοπη λευκή, απαιτητική, απαιτητικός, θρασύς, σπαστικιά
(slang, originally African-American Vernacular, derogatory) A middle-aged white woman exhibiting a sense of entitlement or white privilege.
(by extension, derogatory) Any person, especially female, exhibiting an exaggerated sense of entitlement.
This Karen threatened to get me fired if I didn't give her a free meal.
Karen - Wiktionary