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Halfway between a hard on and a totally flaccid penis. Interestingly, the semi-on is becoming rarer and rarer in today's society, eclipsed as it is by the boner and the laredo. The semi-on's natural habitat is middle school and high school locker rooms, where it is created by young boys in an effort to demonstrate their virility. Intriguingly it is often understood as a sign of faggotry, resulting in a beat down for the perpetrator rather than the expected admiration.

Other times the semi-on can occur include:

* When the individual is too drunk to support a full erection,
* When the individual is somewhat aroused but controlling the feelings and suppressing the erection,
* When the individual is interrupted during sexual activity (or thoughts) but was turned on enough that the erection did not immediately disappear.

Occasionally the word is used as a pejorative to describe individuals who are somewhere between being flaccid cocks and total dicks.
Jimmy masturbated a bit before showering with the other boys: he wanted to look his best in front of everyone. He proudly entered the shower flaunting his semi-on. Later that night, surgeons were unfortunately unable to completely reattach Jimmy's left testicle, as its trip through the sewage system had left it in a rather poor condition.

Davan's grandmother surprised him nude: he tried to hide his excitement, but ended up with a semi-on.

After thirteen beers, John was only able to manage a rather pitiful semi-on, even as the dancer gyrated her hips in his lap.

That moderator is such a Semi On: he never takes a stance on anything, but still comes off as a total dick.

Though Derek was shocked by the interruption of the entrance of Laura's, his semi-on quite handily demonstrated his continued interest in sexual activity.
Semi On by SMRTA! August 22, 2003
The final word in all things pimp.
Semi On slapped her ass, bent her over backwards and kissed her navel.
Semi On by ArsHole August 22, 2003
Related Words
The Man With One Eyebrow
Semi On si drnka agian.
Semi On by Anonymous August 23, 2003

Semi Lob on 

the male penis is semi-erect :)
I got a semi lob on over jennifer lopez
Semi Lob on by Stinkey July 9, 2003
Semen de camión

Or used as an afirmation (yes, for sure)
Quieres semen?
Semion!

Al camión le está saliendo semion

abandonware 

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 game alive", so to speak.
Doom II is not abandonware because id still sells it, while The Incredible Machine is not sold, therefore is abandonware.
abandonware by Spoom October 24, 2003
Word of the Day on July 11, 2026

Foot prisons 

Socks. Annoying, sweat-causing, non-barefoot enducing, everyday socks.
The first thing I do when I take off my shoes, is rip off the foot prisons I had to wear inside them. That's why I prefer flip flops, even in winter!
Foot prisons by Jackalope Hunter December 13, 2022
Word of the Day on July 10, 2026