acronym,
F.S.N stands for F*ck School N*gga
John: Too many homework dude!
Jim: Yeah FSN man!
by Alejandro DaPizzi September 4, 2012
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Foreskin Nation - A person that is a part of a community in which they have not been circumcised. Everyone Uncircumcised is FSN.
Bro, did you know Tim was FSN?
by A Real Mans Language August 9, 2015
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acrynom for Fat Slag Nan.

someone's nan who is fat, and was a slag in her youth.
Dave: Did you hear about Jonny's nan the other night?
Bill: Yeah, shes such a fsn!
by mateeeee. July 6, 2009
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Former slave name. Used by African Americans particularly of the 1960s Black Power generation to describe the rejected names they were born with.
On May 2 1973, Black Panther activist Assata Shakur (fsn) JoAnne Chesimard, was pulled over by the New Jersey State Police, shot twice and then charged with murder of a police officer
by Mattolejack December 31, 2011
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Mario and Rod are the single best TV broadcasting team in all of sports. Their knowledge of the game is unrivaled and they have the uncanny ability to lift the spirits of their audience when the Tigers are struggling. Mario and Rod have a vast following all over the USA especially in Comerica Park where their names and/or faces can be found on either of the following: signs, bare male chests, etc.

some common words/phrases used by both talented broadcasters:

Mario: "It's a great night for baseball good evening I'm Mario Impemba alongside Rod Allen...," "He's hitting at a .324 clip," "check it..."

Rod: "without question," "absolutely stellar," "in that regard," "bad self," "fresh fade"

and many, many more
After a long day at the office, I caught the late game with Mario and Rod on FSN Detroit.
by MD2B August 30, 2007
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Fusion ( FSN ) Asia is the largest custom rank matchmaking server in the world of Call of Duty : Mobile.
by Vulcan28 November 20, 2020
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Fun when typed wrong
Was abrivated to Fusion Afterwards
FSN roles are p2w
"always have been"
by LiL.DJ November 20, 2020
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