1.)A five dollar bill (U.S. or Canadian Currency)
2.)A half gram of chronic
3.)Or buying a half dime for a fin.
(Dime is .8 weighed out in chronic)
"Can I get a half a g"
"Yea sure throw me that fin"
by jack October 31, 2004
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an atlanta term, meaning about to do a task.
bob-hurry up with my milkshake
jenny-i'm finning to nigga
by jamaicanchic91 February 11, 2006
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Finning is when a person excessively gets mad over a simple subject. It usually results in the throwing or tipping over of the nearest object.

The word and definition is derived from "Fin", a nickname of school mate that would get mad over the simplest thing and go completely nuts for about ten seconds.
Danna and Cristian are at lunch.
Danna: Cristian, you are so stupid!
Cristian: (breathing heavily)
WHAT? DID YOU JUST CALL ME STUPID?!
*picks up banana and throws it at Danna*
Danna: OMG! Cristian, stop finning!
by MO'NASTY January 5, 2012
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term fo doing intemetly and like a pro
i straight finnessed that bih; i ratchet strapped them cheeks and finnessed that booty hole all night long...
by mulletgangordie December 9, 2016
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Fin is a person who is sporty,loving, attractive and a great kisser.

He is also a rough person.
Oh wow, he is so flirty and smooth he is a fin.
by Sally the best October 22, 2015
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Another word for male masturbation. Inspired by Finn Hudson from the Fox show Glee.
Rachel: Where's Finn?
Puck: Probably out Finning himself again... What a pathetic dude.
by Oh_juice October 10, 2010
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5 dollar bill in canada or a 5 peice (.5 grams of weed)
Guy1-"yo I got a fins, I just have to go pick it up"
Guy2- "Why not call up crazy joe, he delivers"
by Bo Vicious July 5, 2007
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