To be exempt from all forms of mocking behaviour directed at ones self. Invincible to all forms of insults of a valid nature. This is usually as a direct consequence of being amazing and God-like.
Liz: "OMG, Daniels so frigging hot, have you ever met anyone cooler than him? Hes SO immockable", Liz's hot cousin: "oh and dont i know it fellow villager, i want his cock =("
Pretty much a normal guy who wants to stand out. Can be an attention seeker and a narcissist but he's a nice guy. You can definitely count on him if in trouble. Don't try to lie to him, he's a good liar himself and catch you. Called rock, rocky and irock by his mates.