An obsessive fan of the Harry Potter series. Scarheads participate in the "HP" fandom through activities such as writing/reading fan fiction, listening to wizard rock, attending symposiums, etc. Also called Potterheads.
a person who takes large ammounts of class A drugs, more specifically heroin. These people are easily recogniseable by the clothes that they wear and their stench due to them selling every possesion to get more heroin.