The toughest, most outright black thug in the history of the world. My boy, my homie, ladiez love him. Thugz wanna be him. He's the greatest of the greatz and mess with him and you'll get hurt.
A reference to a woman who is a "10" (on a scale of 1-10) and thus very attractive. It's important to note it's derived from "dime broad" and then given the suffix "izzle" (or is "izzl-ized") in the tradition of E-40 and Snoop Doggy Dogg.