The attractiveness of a female in the setting of an Industrial Mill, as opposed to the outside world.
Mill-Hot... Due to the lack of women in industrial settings, attractiveness is exponentially increased while in this environment. A women who is a "2" at a bar, can be as high as an "7" in an industrial setting.
by 3RDMonkey November 29, 2011
Kevin and mark got bored at work, so they got a handful of grease and gave each other the ol' Hot mill handshake
by Copco March 28, 2016