someone who takes over 3 grams ov caffeine a day just to stay awake, you know the people who are so twitchy that they seem like 3 people when you look at them. Usually good at DDR and other gaming.
A) "did you see Zi0n_Freak yesterday? damn is he a caffeine whore"
b) "W00t! I gotz me about 10 grams of caffeine and a 4 day weekend, I am so gonna become a caffeine whore tonight!"
3) "We come here today to mourn the loss of _insert_name_here_, beloved friend and caffeine whore."