Noun: pronounced foo-wee

Acronym for Figment Of Imagination. Something that happened that truly couldn't have been real due to extremes of audicity and absurdity. Commonly used to refer to events or people. Sometimes described as a dreamlike occurrence.
Person 1: Did you meet that crazy cat Jithin last night? The one that had the one-piece jump suit and clip on earrings and was snap dancing to Soulja Boi??

Person 2: Oh shit, bro! I coulda sworn he was a FOI!!
by P-Money315 January 7, 2010
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Full If It - To be full of hot air or a "know-it-all".
"He is foi". "She is foi", "They are foi"
by Tony The Tiger August 6, 2012
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(verb) to play jazz music, and generally chill out with cool cats in a dilapidated house. Only the coolest of the cool can TRULY foy.
"Who foys for us? Let's rock this joint!"
by curmudgeonlypebble October 22, 2009
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FOI = Found On Internet. This is a standard response to someone asking where you found a picture, video, or the like; especially when you don't *actually* recall where you found said item.
My friend: "Where'd you get that weird picture?"

Me: "FOI."
by angryfatgeek January 20, 2010
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Foy is a word used in the 1300s mainly by the Spartans to thanks a noble soldier
“He’s a foy” said the the speechless lady!
by Hssjjajajs October 7, 2019
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