Unruly hair that makes it look like the person has a party on their head. Often used to describe thick and long hair. Bares a very close resemblance to the term bed head.
I saw Mitch the other day. That guy has such party hair.
by PartyHair October 13, 2008
A spunk recepticle
Once Ozzy was done, Willy took his turn on PartyHair.
by St. Louis Cardinals July 28, 2003