Nanoprick 

Science meets sex, something small that has big consequences

hypodermic/organic injection of nanobots
or the device/organ that injects the nanobots/wetware

Nano: Extremely small, One billionth
A brief period of time

Prick (noun): A pointed object, such as an ice pick, needle, or thorn

Prick (verb): To transplant (seedlings, for example) before final planting

Jack's nanoprick was so small and quick, Jill's particle microscope couldn't even locate it.

Dick nanopricked Jane, but she never even saw him enter the room.

Nanoprick by talmud September 13, 2009

Nanodick 

Someone who's such an inconsequential and annoying prick that their capability to be truly obnoxious is reduced to a microscopic level, because no one bothers to pay any attention to their comments.

Bobby's always babbling about things that he can't even understand, that nanodick.

Nanodick by Phuqit October 17, 2010

nanodick 

The penis length is on the nanoscale (one billionth of a meter)yet the scrotum and testicles are normally sized.

Bill can't have sex with any normal woman because he has a nanodick.

nanodick by MetalWarrior99 July 27, 2006