English Jargon, an obvious, long, wound-up strike, that will most likely cause great bodily harm if given a chance to land. Typically thrown to smash one's face, this term refers to a strike that is thrown with reckless abandon and full commitment.
A wild punch thrown round arm in a sweeping motion in an act, usually, of desperation. It is characteristic of boxers with little to no experience and affords his opponent with ample opening to deliver decisive counter punches.
Haymaker is a hardcore/punk band from Hamilton, Ontario comprised of former members of Left For Dead, Chokehold, The Swarm etc. They are well-known for extreme shows which usually end with fights and injuries. Their shows are usually closed down due to the violence, on some occasions parts of the club have been set on fire.