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
Get the 'feine mug.
craving, wanting, needing.
them hoes be feining for that mammal sauce!
by ltizzle October 24, 2005
Get the feining mug.
To have all the time or want more. To crave for usually a substance like drugs or nicotine from a juul or juno.

A person who can't get enough of something normally a drug or nicotine.
Alex is a fein for his juul
by Qqww December 14, 2017
Get the Fein mug.
When someone wants something very badly and/or is addicted to something or needs something
Joey feins his juul when he isn’t ripping it.

I am feining water right I am so thirsty

That kid is a fein, he always wants rips.
by Joeyknowsbest August 11, 2019
Get the Fein mug.
someone who does anything and everything for the amount of weed
yo, bro your feining that blunt, stop being a hector.
by bailyscondo December 14, 2017
Get the fein mug.