1 definition by jbong
an adjective which describes one who exceeds the definition of "hardcore". Every action in the life of a madcore must be completed in the upmost degree of coolness. Even gardening is made "wicked awesome" by such gangsters.
A to B: "check out the way that gardener leans all the way back as he drives his pimped up tractor -- he's fuckin Madcore"
by jbong November 2, 2005