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2.
When someone is slightly off-key.. doesn't give a shit what people think, does something there and then on the spot without thinking twice.
That boy is RADIX, when he was in that fight he bit the other man's ear off !
by Lucinder Dulay November 03, 2006
 
1.
A Radix is a situation or event that is chaotic, unorganized, disorderly, miscombobulated, rowdy or wild.
That tailgate party was a total Radix, there was crowd surfing, fights, and people fucking.
by D-HOUSE May 22, 2011