caffiending 

the absolute need for caffeine intake. normally occurs in the morning before anything deemed productive can take place.

Khump: "i can't concentrate right now, i'm totally caffiending"

BLaz: "get out of my office and go to the starbucks across the street"

caffiending by Khump January 5, 2011

caffiending 

To need some sort of a caffiene fix

Dude, this hangover has got me caffiending

caffiending by Penny89 September 5, 2009

caffeining up 

Drinking one cup of caffeine after the other to keep yourself awake to survive a long day at work.

Komal has been caffeining up all day.

Hey stop caffeining up, you wouldn't be able to fall asleep otherwise.

caffeining up by yogapranam March 16, 2014

Caffeineing 

To fein for have a strong urge for caffeine

Debra: Lets stop by starbucks coffee I am Caffeineing so hard

Lisa: But you just had coffee

Debra: Did I ask you? No now shutup and let me get my dose

Caffeineing by JTATslave1914 October 22, 2011

Caffeening 

The extreme caffeine craving caffeine addicts get when they don't get their daily coffee fix; feening for caffeine.

Oh, man... I haven't had coffee since yesterday. I'm caffeening so bad.

Caffeening by TheHereticTheory November 23, 2011

Caffeeding 

when you pull all-nighters because college is killing you and you need to pump yourself full of caffeine the next day since drinking vodka in class is frowned upon

"Why are you drinking so much coffee??"
"I'm caffeeding myself!!"

Caffeeding by taypsu2 February 14, 2018