when something, usually an event or inanimate object, is so awesome, that if it were a living breathing human of your gender of choice, you would make furious love to it.
guy 1: "DUDE! this car is SEXYAWESOME!!"
guy 2: "hell yeah! it's pretty much the megan fox of automobiles"
guy 1: "holy shit! this band is SEXYAWESOME!"
guy 2: "you should hear their new album, it's really hot"