While having the characteristics of an immortal being, this adjective also describes one whose attractiveness and desirability are only made more so by their "imperviousness" to pain, death or loose morals.
Almost got hit by bus. Correction: driver almost got hit by a bus. I woulda been fine unless we flipped. Even then, I'm unbreakablelicious.
by @cheeky_geeky January 02, 2009