Shagi wig is a medium-length, layered brown shaggy haircut with bangs, giving a messytousled, slightly overgrown look. This style is most famously associated with Shaggy Rogers from Scooby-Doo. Also popular for 1970/retro/hippie, 80s/90s rock or grunge look, slacker dude, surfer or boy band shaggy style.