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The state of extreme lack of energy, utter fatigue, such that one feels like he/she has about as much substance to their physical frame as a bowl of jello - melting at that!
I'm learning it seems to be a "you're doing too much" sign that kicks in even sooner than the brain "fog" and disorientation and extreme "jello-ness."
by Cheryl June 15, 2006
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