1 definition by JG Grahams

illmatic

can sometimes be used to replace ill, but should be reserved for occasions when one wishes to describe something intricate, chaotic, trippy, or mechanically graceful. the suffix -matic denotes the mechanical, industrial nature of said object/ action
use sparingly; overuse of illmatic makes you a herb
ganja can only be illmatic if it is grown hydroponically
Pronounced illMAtic

That dunk was illmatic.
That low rider is illmatic.
Einstein was illmatic.

by JG Grahams March 13, 2006