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.

Mercury retrograde is the act of taking a shit whilst mooning one or more human beings. Your day can typically being going well, according to your horoscope, until you are forced into witnessing Mercury retrograde. Performing Mercury retrograde will often speed the astrological cycle forward for the individual performing the Mercury retrograde, bringing about happy and fruitful times to come.

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.

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

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.

A bit of code that makes words travel accross the screen, usually found in a demo or intro.

When girl sends you multiple paraghraphs or reaches the character limit when texting.