Someone that takes the thing you're supposed to have
"Bro stop feining on the blunt it's my turn"
by Girlllll299 June 21, 2017
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Basically the irish version of dude. Used normally in the rural areas throughout Ireland, specifically the south.
Well fein, whats da craic?
by irishandsober September 24, 2006
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1. A shortening of caffeine because, as we all know, when you're hopped up on the 'feine, you don't have time for syllables.

Pronounced, "Feen"

2. Can also be used as a verb to describe the act of drinking caffeinated beverages.

3. Also as an adjective (as 'feined) to mean excited, hyper, stoked, happy, or totally hopped up on 'feine.
1A. Man, I'm friggin' tired, I need some 'feine.
1B. DUDE, I LOVE 'FEiNE! WHOOOOO!

2A. I totally need to 'feine before we get this game going.
2B. 'Feine me up, Scotty! Toss me a Bawls!

3A. I'm so 'feined that you're coming to town on saturday.
3B. Man, I'm too 'feined up to sleep, grab a controller, IT'S ON!
by Verek January 17, 2005
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A female who hangs around guys to get free alcohol, weed, drugs, and etc.
Dude 1- "hey man that Emily chick is a real fein, I told her I had pot and she instantly asked if we could hang and smoke"
Dude 2- "yeah man she does that all the time with dudes"
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Person 1: "Oh who's that fein?"
Person 2: "I don't wanna know"
by violetpassion99 October 2, 2013
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Person 1: "Hey, look at those chicks getting changed over there."
Person 2: "You're such a fein."
by delenaforever123 December 7, 2013
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