When an individual (usually a female) takes close up pictures of half of their face to post on myspace. These pictures are usually very repetitive, with said individual in the same place with a slightly different facial expression. It usually comprises of a screwed up face, as though they have recently had a stroke.
Omg lolz i've got myface syndrome - look at my half a face in black and white ^___O
an expression used to illustrate the (limited) interchangeableness of twopopular social networking sites, which is amplified by the facts that each site's title is a compound word and one of the words compounded into one site's title rhymes with one of the words compounded into the other site's title
When you or someone you know reads EVERY comment on a persons myspace/facebook to acquire information on a person, then, when in a conversation the said person acts like they knew the information, as if they were told. But clearly the only way they knew was by reading other people comments.