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.
When you bold text on a website for absolutely no reason other than to add some flair to an otherwise boring as shit page.
Client: I think you should bold this bit.
Developer: Nah, man.
Client: Yeah I think making it bold will add some visual interest.
Developer: Oh, you mean boldizzle it.
handkerchief, bandana, or "flag," used either as a preppy fashion statement or to affiliate oneself with as gang, very much in the manner as "put yo' hood up"