To have too much caffeine in your system to a point where you can no longer have proper train of thought.
Jim : "I guesstimated that!"
Karl : "what's guesstimation dude?"
Jim : "It's like guessing and estimating.......I don't know im really caffinated right now!"
Karl : "Take 5 Jim!"
by Kait no eights July 06, 2011
Hyper, At full speed
Adj: He was crazy cafinated with that rhyme! similar to crunk
by Mike March 12, 2004

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