This word has various meanings. 1) someone working overtime (see Nervous Nigel). 2) a state where someone has drank a wee too much coffee. 3) in certain circles, another way of saying gumf. 4) a phrase volvo_man made up because a bloody spider crawled up and over his computer screen a few times at super speed. Yeah, you shut up.
Badlino: "must work...must drink...COFFEE."
Groot: "Hey man, i think it's time to lay off the caffine. you've gone coffee happy, man."