Top definition
The only drug it's socially acceptable to be completely addicted to.
"Don't do drugs, kids" said the teacher as she sipped on her extra-large coffee, consuming 200 mg of caffeine in the process.
by Trajork September 15, 2009
Get the mug
Get a caffeine mug for your father Callisto.
An essential vitamin, without which one suffers from headaches, depression, sudden violent anger, sluggishness, muddled thinking, and crankiness.
I once went 10 months without vitamin C and only suffered a mild bout with scurvy and tooth loss...I went 24 hours without caffeine and that's why I'm doing life without parole.
by megnao flimpis July 17, 2003
Get the mug
Get a caffeine mug for your coworker Julia.
the only reason Americans make it to class or their jobs
Why didn't you go to work today?

I didn't drink caffeine
by jsgiv May 19, 2008
Get the mug
Get a caffeine mug for your brother-in-law Manley.
(student is holding coffee in hand)
Random Person: you better watch out, they say caffeine is the gateway drug!
by SarahSANITY June 17, 2007
Get the mug
Get a caffeine mug for your dog José.
The only drug that isn't controlled without an age limit, and is the norm to be addicted to. I've suffered from fun.
Person 1: Did you get your caffeine this morning?
Person 2: Nah, I'll just be legit and get some cocktails instead.
by idolfreak002 May 16, 2011
Get the mug
Get a Caffeine mug for your Facebook friend Sarah.
A wonderful stimulant and vitamin that is an essential part of everyday life for those who would like to avoid sleep, or just be generally more productive. Diety, ritual, and drug rolled into one.
Bawls, coffee, jolt, some teas, jolt gum, mountain dew, diet coke, amp, red bull, etc. sells a lot of alternative sources, but then again, 7-11 does too.
by CaffeineHead January 19, 2005
Get the mug
Get a caffeine mug for your cat James.