to be beyond anger and rational thought, to the point where any and everything comes out of your mouth
"Her boyfirend cheated on her, so she's sciby today."
by kaiba April 16, 2004
An ancient Word of Power, only able to be weilded by those who are pure of heart and able to actually pronounce it correctly.
By Thor's Hammer, I shall pronounce Sciby, "SKY-BEE"!
by Anonymous June 01, 2003

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