Gangsta funk. A phrase used specifically to denote the style of "The Chronic" and other hip hop/rap produced by Dr. Dre. Notably used in the Warren G song "This DJ". Can be used generally to apply all forms of gansta music culture post 1985. Pre 1985 gansta music is usually classified as either Funk, Old School, or Dinasaur Funk.
Kool Keith, "Dr. Octagon"- " this is the dinosaur funk that permitted g funk"