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2.
To need some sort of a caffiene fix
Dude, this hangover has got me caffiending
by Penny89 September 05, 2009
 
1.
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"
by Khump January 05, 2011