jackknocker
A person who knocks jacks like they're your enemies and also talks like they're in a different universe where everyone is a jerk.
My neighbor is a jackknocker. He knocks jacks like it's a war and talks like he's the general.
My brother is a jackknocker. He knocks jacks and yells nonsense like he's the king of the world.
My friend is a jackknocker. He knocks jacks and talks like he's been through hell and back.