Someone who is a hyped on something. Could be anything!
The word started w/ the description of drug abusers.
Dude is a feener for Halo2.
I left the party, nothing but a bunch of feeners there.
1. What you call your little sister who wanted her name to be "feener" while playing apartment neighbors when you were little kids; short version is feen.
It's fairly common really, and not an inside joke - not anymore.
Hey, Feener! Come to my apartment and we'll eat some graham crackers that I snuck from the kitchen.
Hey, Feen the Bean! Remember when we used to play apartments when we were kids? Yeah, people think that means drug fiend now.
One who is socially inept and professionally incompetent, but possessed of a strong conviction that the opposite is true.
Jim down at the office thinks he's hot shit, but he's really a feener.
1.)A Person or Persons that enjoys the Man-Mayo.
2.) Feener sandwich - Someone who has bum sex and spreads his mayo on their buns.
Shut up, your feener.