haymaker
A haymaker is a powerful, arcing punch, typically thrown with the intention of delivering a knockout blow. It is characterized by its wide swing, often involving the rotation of the body and shoulders to generate maximum force. While a haymaker can be very effective if it lands cleanly, it is also predictable and leaves the attacker vulnerable to counter-punches due to its wide, committed motion.
The term "haymaker" is thought to originate from the action of swinging a scythe to cut hay,