Typically a rather muscular person who walks around with their arms out to their side. Have no fear and love to start fights for no reason. Anthony or "Tony" is a typical meathead name. Shaved head and tattoos are characteristics of a meathead. Also known as a hardass. They carry around gallons of water acting to be some sort of muscle machine.
Meathead:"yo john, give me 20 bucks and ill knock this bitch ass out"