Top Definition
To be so delightfully insane and/or malicious that it makes one laugh like Kefka and such. Also makes them inclined to listening to songs like Kefka's Theme and Dacing Mad.
Run run or you'll be well done! This plan to poison the ravers' bottled water is just Kefkatastic! You know,since ravers suck and we're killing them all.
by 0niTTRay December 26, 2003
1 Word related to Kefkatastic

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