1. A shortening of caffiene because, as we all know, when you're hopped up on the 'fiene, you don't have time for syllables.
2. Can also be used as a verb to describe the act of drinking caffienated beverages.
3. Also as an adjective (as 'fiened) to mean excited, hyper, stoked, happy, or totally hopped up on 'fiene.
1A. Man, I'm friggin' tired, I need some 'fiene.
1B. DUDE, I LOVE 'FIENE! WHOOOOO!
2A. I totally need to 'fiene before we get this game going.
2B. 'Fiene me up, Scotty! Toss me a Bawls!
3A. I'm so 'fiened that you're coming to town on saturday.
3B. Man, I'm too 'fiened up to sleep, grab a controller, IT'S ON!