Hym "Right! The nanobots! Did I get my nanobots all up in your brains yet or no? Sad Dad said something about all of the women orgasming at the same time... And that sounds like something I would do... Did I get my nanobots all up in you mind-brains yet? No? Yes? Let me know, alright? I need to get those motherfuckers up in there."
Found in copious quantities in science fiction where they exhibit properties such as rapidly replicating regardless of available suitable molecular feedstock, curing tinea, decapitation and stomach ulcers and repairing plot holes.
Also found in small numbers in scientific literature where they show great promise in doing all kinds of really freaking cool stuff, once they grow up a bit.