fin 

an adjective in hipster language describing something that is not cool or deck

That hairstyle is fin.

fin by hipsterhelp February 24, 2011

fin 

To fall off of something.
Also finned

Guy falls off a ledge

Friend "way to fin"

Guy "fuck, I finned"

fin by sutef July 31, 2011

fin 

friends with benefits

Mick and john are fins as they claim they are nt in a relationship but sleep with each other all the time.

fin by the new age October 7, 2011

Fin 

I fucking dick who fucks his mum

Girl#1: Ewww, who is that! He looks gay!
Girl#2: Must be a Fin.

Fin by Fin Shadford April 4, 2019

Fin 

A slang term for penis.

It potentially refers to some sort of penile deformity.

Joe kicked me right in the fin.

I was doing the backstroke when that girl's top fell off. My fin started showing. I felt like Jaws.

Fin by Beraz April 19, 2010

fin 

A guy who has a big dick and likes cheese

M8 my Penises so big, are you called fin the, yes, I also like cheese, well if your called fin then you have a big dick and you likes cheese

fin by Fin December 10, 2016

Fin 

A really awesome guy! He is the coolest dude of the world and really makes you laugh. Everybody is happy when seeing a Fin because seeing a Fin makes your life better. Nobody can be so awesome like Fin.

Fin sometimes called Fni if your autocorrect doesn't like you.

Fin by charlotte :3 November 17, 2017