noun: an immature, aimless, broke, unanchored person over the age of 35 who is a spendthrift parasite living off of a rotation of working friends, and who assumes no personal responsibility, despite many parental contributions,and failed college enrollments.
Lars: "Last night Dick came over and ate the rest of my pizza, drank four beers, and crashed on my couch. He asked me to lend him a $20 for gas."
You: "Dude, he's such an assholescent---toss him."
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.