dark side 

(n) One’s evil nature; the evil flip side of an entity or idea. Term is often used in jest; (Concept has been long recognized by psychologists and theologians but given fresh meaning in the popular vernacular by the “Star War” movie series.)

A "dark-side" hacker (term used in the hacker community) describes someone who produces software or hacks with malicious or criminal intent.

“Don’t bug me, you don’t want to see my dark side.”

dark side by Bill Peters November 11, 2006

Dark Side 

To engage in sexual relations with female Midshipman at the United States Merchant Marine Academy at Kings Point, NY. Also popular among USNA Midshipman.
A person who has engaged in Dark Siding is commonly known as a Dark Sider, also less commonly referred to as The Emperor or Darth Vader, depending upon the attractiveness of the female involved and/or the number of instances of Dark Siding committed by the individual.

Hey did you hear about Smith, he's gone over to the dark side, poor bastard.

Dark Side by KP Setback June 29, 2006

dark side 

The place where cruddies go when they realize that the rest of the world finds them offensive

I'm so glad those cruddies went back over to the dark side. They were sucking all the joy out of my day with their bitterness and anger.

dark side by SexyHo June 14, 2004

dark side 

the place with cookies. :)

"come to the dark side we have cookies!!"
"yay!! cookies!!!"

dark side by reynish April 2, 2009

Dark side 

The greatest album by anyone ever

pink floyd

Dark side by Brenan Chambers April 8, 2004

Dark side 

The area between your balls and your asshole. Where your cooch would be.

Oh god why is my dark side so damn sweaty

Dark side by Coochiewrangler April 24, 2019

dark side 

The side of any biological entity no one would be able to see if they wore underwear.

(After William Wallace repeteadly commands his men to show their dark side)
Longshanks: Send the archers I have seen enough!!

dark side by HEHOOKNOWS July 26, 2009