crazy; hyper; gang o energy
Auto: high performance vehicle
"Them x tabs got your girl hyfey than a mug!"
"Dang homeboy! That 454 got yo 65 'Maro hella hyfey!"
Originally made in Oakland
means to be hyper ready to do what you gon do
That's when you act all hyper and excited with an attitude like some heffer won't be backhanding you for gettin' all loud.
Don't be acting all hiyfee, Clofondra, we gonna get there when we get there, girl.
West Coast Crunk-- gettin wild, faded, etc...
All the homies gettin hyfee up in the club.