Top Definition
fy
Short for fuck yeah.
"School is over forever!'
"FY, man!"
by the_grad June 07, 2005

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fy
Short for "f**k you"
- Oops! Did I break it??
- FY, man!!
by Sam Star November 28, 2004

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FY
"FY" is the abbreviation word for "For you ;)". It is used to show an unconditional and sincere appreciation for what someone just said to you by returning the same compliment. It always follows the word "Thank you for you".
Fun fact: "FY" is used a lot in Azerbaijan.
Pascal received presents from both of his friends during Christmas
Pascal: Oh wow, Christmas presents, thank you for you!
Julien: No, no, no, no, NO. Thank YOU for YOU.
Will: FY.
by Kazgrum December 20, 2016

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FY!
internet acronym for "Fuck Yeah!"

(people often mistaken the "!" as an inverted "i" expecting it to be FYI or "for your information")
Dana : Seen that movie?
Ray : FY!
Dana : IKR?
Ray: :-)
by Andrei "CodeCalibre" January 21, 2011

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FY
This textual acronym can either mean "fuck you/yourself" or "fuck yeah."
Example 1 (fuck you): FY YOU STUPID ASSHOLE.
Example 2 (fuck yeah): FY! SCHOOL IS FINALLY OVER!
by fhk x3 December 31, 2016

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fy
Fuck Yeah!
Person 1: I ran over a deer with my bike. FY!
by ♥k a t i e♥ September 11, 2011

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fy
Short for "Fuck you"
I just are your sandwich

fy
by I.like_noodles September 16, 2016

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