Someone who appears in video(s)/
picture(s) on the
internet, and will potentially be seen/known by strangers; especially for
silly or inane videos/pictures.
Jason is quite the web-star, after the video of him throwing up in the toilet was
posted; he can't
walk around campus anymore without someone laughing at him.
or
He deserves to be a web-star: the bozo posted the video of him splitting his pants himself.
