Used on online forums, refers to when a person gets upset at something and goes through and edits their posts, removing everything they're saying and replacing it with a period, leaving shells of the conversation for people to guess at. Sometimes is done when the person is publicly humiliated, but more often is done when a person simply wants to erase their existance from the forum and have nothing to do with it any longer.

Named after a person who did it and removed over 1000 posts in a single thread.
After he got embarassed from his history being dug up on the internet, he decided to roiderize all his posts, removing all traces of everything he said. All that remains now are a couple posts from him that were quoted in other people's posts.
by NBF User December 1, 2005
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valleys commonly used slang for a person who uses sterioids to build up guns. normally extremly big headed people who think they are lush. warning very short fused and will blow up over the smallest of things.
Look at him that roider looks like he's swallowed a fiesta!
That roider doesnt have guns he has fucking cannons!
by bigsuckableplums June 28, 2010
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Steroid abuser. Muscle-bound freak. Roid junkie.
Look at that ugly meat head, must be a roider!
Oh, that's Arnie Szhwarzenegger.
by Aaaardvark November 27, 2006
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(n) 1. Slang for a really big penis. 2. One bad mofo. 3. A title (eg, King Roider)
1.) Dude, I have the biggest roider ever. 2.) That guy is a motherfucking ROIDER. 3.) The King Roider pwns u.
www.amiblackornot.com
by Matt Schiros February 28, 2003
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a term used to define men who tan too much (however one is to define the term too much) and who take steroids in order to enhance their performance when they hit the gym.
Two high school girls in conversation:

Amy: so Diana, godess of male-magnetism, how was your first workout at that new gym of yours?

Diana: First off, lol thanks for the compliment concerning goddess of male magnetism. And at the gym , I met this tanned-complexion guy, Andy I think his name was.

Amy: lol, don't judge a book by its cover, as they say, he may be a red roider.

Diana: Oh.
by Sexydimma January 12, 2012
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red roider

a term used to define men who tan too much (however one is to define the term too much) and who take steroids in order to enhance their performance when they hit the gym.
Two high school girls in conversation:

Amy: so Diana, godess of male-magnetism, how was your first workout at that new gym of yours?

Diana: First off, lol thanks for the compliment concerning goddess of male magnetism. And at the gym , I met this tanned-complexion guy, Andy I think his name was.

Amy: lol, don't judge a book by its cover, as they say, he may be a red roider.

Diana: Oh.
by Sexydimma January 22, 2012
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