Fucking Railroad Nut; used by railroad employees to describe those who watch and/or photograph trains. Usage has recently fallen off with "foamer" being used in many parts of the country instead
We saw a ton of FRNs stopped by the side of the tracks when the steamer was coming.
by Schnauf March 8, 2006
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Acronym for 'Free Ranged Nipple(s)'

A phrasal combination of #FreeTheNipple and Free Ranged Animal Activism - most commonly found with poultry products.
"My boobs are so small that they're nothing more than nipples"
"Might as well ditch the bra and go FRN then"
by Vattify April 22, 2019
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Abreviation of "For Real Now"
Friend 1: You know what?

Friend 2: What??

Friend 1: I saw a dinosaur

Friend 2: That's cap

Friend 1: FRN my crush asked me out!!!
by XabiPellitero November 24, 2021
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Favourites right now
my frn for music are: Brandon Flowers and Gerard Way. And I can't wait to see them live!!!!
by IAMMOREOFAGHOSTTHANYOU May 31, 2015
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Federal Reserve Note, a paper printed as to resemble official money, as opposed to gold or silver coin or a United States Note, ostensibly backed by gold and/or silver.
How many FRNs does that cost?
by Peter314 January 18, 2004
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"Look at this picture of a cute cat. IS IT NOT CUTE?"
"frn -> :D"

"FML, we broke up. frn -> :C"
by Thisusernamewasalreadytaken August 21, 2011
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A Carmel the perfect girl bstfrn is an amazing rare unique friend. It is extremely hard to come by a girl best friend as great and perfect as Carmel. She is the bestest girl best friend there ever was and is a supportive and comforting best friend you can tell anything to. She is interesting considerate intuitive and very talented. She normally has a funny girl best friend and a boy best friend who can be annoying and stupid and do stupid things without thinking. She has little to no imperfections and has many people trying to copy and be like her. She takes the number one spot out of all of your friends let alone female friends.
Carmel the perfect girl bst frn is my girl bst frn. She is not insecure and is funny fun and entertaining.

She prefers to say bst frn instead of best friend for some reason

Antonyms-avi stupid bitch avinaash
by Avz1up February 20, 2018
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