red light saber 

A term used when a girl of non african decent, usually white, dates a person of african decent. Meaning that she "has gone to the dark side" thus uses a red light saber like in Star Wars. In other words a black mans penis.

Hey dude, I heard Betty likes the red light saber.

red light saber by Brandon16 May 30, 2008

red lightsaber 

A Youtube video with significantly more dislikes than likes. This creates a likes/dislikes bar with a short green bar with a longer red bar, resembling a lightsaber with a green handle and red plasma blade.

Person #1: Have you seen that music video Friday?
Person #2: Nope, I don't watch red lightsabers.

red lightsaber by thecooltodd December 5, 2012

Red Lightsaber 

from the Star Wars saga A Sith lord's primary weapon.

Chancellor Palpatine pulls out his red lightsaber as Mace Windu tries to arrest him.

Red Lightsaber by Xclibur2001 December 30, 2011

Red Lightsaber 

When you are done having sex with a girl and you pull out and your shocked to find out your dick is all covered with blood. It looks like a red light saber.

Person 1:"Did you hear John's girlfriend didn't tell him she was on her period before they had sex?"
Person 2:"Yeah she gave him a red lightsaber"

Red Lightsaber by JT $$$ December 12, 2008