FY

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FY

rude slang Used in text messaging and online communications.
1. An initialism of "fuck you," an expression of utter contempt, disdain, or disregard for someone. A: "Sorry. I didn't mean to hurt you." B: "FY! We're thru!"
2. An initialism of "fuck yeah," an expression of excitement and enthusiasm. A: "Want to see a movie 2nite?" B: "FY let's go!"
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.