The act of ejecting sperm laden semen from the opening of the male genitals in diminishing quantity per rhythmic muscle spasm, typically accompanied by an intensely pleasurable sensation, commonly referred to as orgasm, caused by continual stimulation of the genitals, prostate, or whatever gets you there.
Pubescent teen male 1: Dude, when we were sitting in class and working on our computers, I kept opening a closing my legs, like as a bored twitch sorta thing. All of the sudden, bam! I full on numpitybrump in my pants. Not only did I have to play it off as a yawn and a stretch, but then I had to go-to the bathroom to clean up the load in my pants.
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.