A nickname for a person from Flint, Michigan and also a nickname for a Michigan State Spartans basketball team. Flint is a town that is going nowhere but downhill since the departure of the Buick City plant. Flintstones are normally piece of shit gangsters that will do anything for drugs. Some famous flintsones include Morris Peterson, Charlie Bell, and Mateen Cleaves.
Eric: Yo, I was thinking of stopping by Flint on my way to Detroit.
Doug: Be my guest if you want to get capped by a Flintstone.