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.
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.
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!