The term hyphy (/ˈhaɪfiː/ HY-fee) is Oakland slang meaning "hyperactive". More specifically it is an adjective describing the music and the culture associated with that area. The term was first coined by Oakland rapper Keak da Sneak.
Originating the San Francisco Bay Area, California in the late nineties. It is distinguished by gritty, pounding rhythms, and has been compared to crunk music. An individual is said to "get hyphy" when they dance in an overstated, fast-paced and ridiculous manner, or if they get overloud with other people. The phrase "to get hyphy" is similar to the southern phrase "to get crunk". Those who consider themselves part of the hyphy movement strive for this behavior.
Ghost riding, frequently used in the context of "ghost riding the whip" (a "whip" being a vehicle) or simply ghostin', is when a person exits their moving vehicle, and dances beside and around it. Originating in Northern California, specifically the Bay Area, the act is commonly related to the culture surrounding the Hyphy movement.