A person that has had so many ER visits, that the scroll bar is needed to see them all. Previously called frequent flyers, but that implied that we appreciated their business and were happy to give them a discount for their return. The term scroller has more of a negative connotation, meaning someone that abuses the system.
From the book Haiku STAT!

Too many visits.
Scroll bar needed to see them.
You are a “scroller.”
by Haikuist March 22, 2012
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Individuals who are unable to stop scrolling through mindless internet feeds of data.. (i.e. Facebook)

Individuals who are so attached to their phone screens, they can't engage in eye contact.

Or, a total stoner douchebag.
"TJ, get off your phone, man. You're such a fucking scroller, man."
by Lucille Ballz December 5, 2017
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A scroller is a text message that is so long and full of information that your finger keeps swiping upward. It really should probably be an email or a phone call.
That text was such a scroller, it took me forever to get through it.
by ThanksKat&Monica March 7, 2017
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A mindless online pariah who scrolls endlessly through social media posts without 'interacting' with likes, comments or subscribing. An internet troll who is incapable of showing love
My meme page is clogged with scrollers who don't show no love.
by RedSmileGroup December 30, 2018
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A bit of code that makes words travel accross the screen, usually found in a demo or intro.
I put particle scroller in my invitro for Assembly '02.
by Spirit Bear January 28, 2004
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Scrollers Knee - The definition of the round red patches you find just above the knee caps after resting ones elbows on them whilst taking a shit but scrolling on a Smartphone or Tablet in the toilet.
"fackin hell Tommy, I cant walk straight, got right scrollers knee"

"i'm not surprised Jim, you were in the shitter for hours..."
by Abdullah3669 October 13, 2015
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A genre of video game in which the characters exist on a 2D plane (or mostly 2D plane), and they run side to side, often with the ability to jump up or down to different points on the map to avoid obstacles or reach objectives. As the player runs to one side of the screen, the camera will follow them, allowing them to uncover more of the map as they go.
"Oh, is that another one of those side-scroller games?"

"Huh? Oh, yeah... I've just been running right forever. I think it's endless."
by RandomPhail August 27, 2018
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