higherd Share definition Flag adj. (pronounced: hi-yerd) used to describe a person who is tired as a result of being high on marijuana "I don't think I can get up off the couch, dude...I'm too higherd from smoking all that marijuana." higherd by Bob Hucksberry May 22, 2008 0 0 Get merch Get the higherd mug. Buy Now — $32.95 See more merch