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1.
An abbreviation for the word ludacris. Also used as a substitute for the word ludiculous.
Those shoes are ludic.

Your ass is soo big, it's ludic.
by Dan Bush August 31, 2006
 
2.
word frequently used in the place of ridic because my friends got annoyed by it, more extreme form of ridic
"she made the team?"
"thats LUDIC!"
by jmaddd June 10, 2008