look up any word, like smh:
The epitome of being ill or cool. It can also mean a perfect harmony of refinement and abstraction. De Stijl at it's best.
Look at the way Arthur is dressed. He's "The Definition."

Did you see that move Arthur did against that other B-Boy? That was "The Definition."

Man...Arthur's set last night was what hip-hop is all about...it was "The Definition."
by eronibus August 27, 2010

Words related to The Definition

cool ill