When you are talking to someone or texting:
Person: I kissed your boyfriend, I am sorry.
You: oh you FYS
Person: I kissed your boyfriend, I am sorry.
You: oh you FYS
by TheGirlWithTheRedLips February 27, 2016

internet acronym for "Fuck Yeah!"
(people often mistaken the "!" as an inverted "i" expecting it to be FYI or "for your information")
(people often mistaken the "!" as an inverted "i" expecting it to be FYI or "for your information")
by Andrei "CodeCalibre" January 22, 2011

Abbreviation of "Fuck you sayin", which is a shortened version of the rhetorical question "What the fuck is you saying?" Similar to FOH and FYM, this is a way to tell a person that you dont give two fucks about what they're saying to you rite now.
Me: The PS3 has Metal Gear. Playstation >>>>> Xbox
You: Yeah thats true. Except I have both systems, and Xbox has Halo, so FYS!!
You: Yeah thats true. Except I have both systems, and Xbox has Halo, so FYS!!
by TheBx41 September 21, 2012

Abrieviation for "fuck your self"
by SainsburysIsPog October 5, 2020

N00B: OMG LETS PLAY FY_POOLDAY~~~~~~~
NOOB2: OMG YES THAT MAP IS DA UBER LEET PWNZ0RZ!!11111oneoneone
NOOB2: OMG YES THAT MAP IS DA UBER LEET PWNZ0RZ!!11111oneoneone
by KunzileUD July 14, 2005
