Guy1: fuck you
Guy2: youre bitch already did. IFYB!
by Grand Asian February 19, 2015
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Guy1: fuck you
Guy2: youre bitch already did. IFYB!
by Grand Asian February 18, 2015
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Girl 1: "Oh, hey when you were on vacation IFYB."
Girl 2: "Are you kidding me?"
by ifhb. June 18, 2010
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Stands for, “I fucked your bitch”. Used when telling someone that you fucked (sexual intercourse) the person’s significant other (whore). Used by many people in Loserville. Also named a Classic song by song makers Cody Ko and Noel Miller.
Mike: yo chad, ifyb.

Chad: I’m dating your sister...
Mike: nah it’s cool, we live in alabama
by stubbyelm.png September 9, 2020
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