by buttercup January 29, 2005

by Fini August 08, 2004

by Ess Pee May 18, 2006

by Melvin_flynt_da hustla November 13, 2003

A noun used to describe sexual intercourse - is usually used by someone who has an obsession with sharks or sea creatures.
Can be used interchangeably with the word ass.
Can be used interchangeably with the word ass.
Kyle: I was gettin' some fin last night - it was hot!
Morality Preacher: Whoa, whoa little pup - you're not even a shark yet. You should wait a few years before tappin' that fin ;)
Kyle: Yay Morals!
Morality Preacher: Whoa, whoa little pup - you're not even a shark yet. You should wait a few years before tappin' that fin ;)
Kyle: Yay Morals!
by TheShark06 October 28, 2006

the opposite of "deck"... very uncool... if you are deck... you have a serious case of the uncool gene
"you're so fin!"
by the dudette October 28, 2003
