One who has no discernable sexual preference whatsoever. Generally, nihlosexuals are virgins, have not masturbated or will not reveal it, and show no sexual or romantic interest in any human of any sex, animal, plant, or mineral.
"I think Jeff's gay." "No dude, he's just a nihlosexual. He just doesn't care."
n. software that is no longer sold or supported by the original publisher / developer, often found as free downloads on the internet because it cannot be obtained elsewhere. Not legal, but often seen as morally acceptable because the company that made it is no longer selling the title, nor releasing it as freeware, therefore abandonware is "keeping the gamealive", so to speak.
Doom II is not abandonware because idstill sells it, while The Incredible Machine is not sold, therefore is abandonware.