Etymology: Etymology: San Francisco Bay Area, shortened perhaps from English dialect "hyperactive"; other sources cite a combination of "hype" and "fly." Popularized by E-40 and the Federation's song "Hyphy" (2004); first known use on record by Keak Da Sneak in 1998 (on "Cool," from his LP Sneakacidle).
1 : dangerous and irrational: CRAZY;
2 : amusingly eccentric; without inhibition: GOOFY "they were getting hyphee up in the club saturday night."
To go crazy over something and not care what nobody thinks about you. You could be mad, happy, it don't matter. Don't make no mistake about it. This word comes from Oakland(The Town)CA,USA. This word is new to y'all but ancient to us. We been saying Hyphee since at least 1994. We don't even really say hifey no more. We say HUB!
We was in the "East" ridin' the strip with the doors open, gettin dumb hifey last night.