Any one of a loose class of rock and roll bands sharing any number of similarities, but typified by long, elaborately messy, overblown hairstyles.
The implication that the hair is perhaps the most substantive thing about such a band or thier music.
2. Glam rock band from the eighties that would use an excess amount of hair products to make their hair stand up and out. Examples would be Twisted Sister,and Van Halen. Most hair styles used by hair bands reflected Tina Turner's in the video "What's Love Got To Do With it?"
2. Hair bands paved the way for not not using shampoo and loading up on deodorant... or the Grunge era. Hail Hair spray! Down with cleanliness!