People who are exceedingly clever, with genius tendancies.
Saying or doing something innovative or intelligent would be "geniastic".
by Grace and Stephanie December 14, 2005
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verb: to do something which is smart. Or that can make a change to society. Usually done by a species called Matt-oides.

ie:
1. Matt came up with a plan that was geniastically thought through.

2. Rhona cannot come up with such a brilliant word that is geniastically descriptive.
by ClickHere247 March 1, 2009
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