To use Facebook as a platform to brag. Normally about a job, internship, trip, purchase or anything else that nobody really needs to know but you'd like to tell everyone because you're awesome.

A statement of boast, self-promotion or any other kind of self-glorification posted on the social networking site Facebook.

Often thinly disguised as a 'status update', the benchmark for a Facebrag is something that the offender would not normally say to friends, at work or otherwise in public for fear of being (correctly) branded as a complete nob.

Responding "FACEBRAG" on the offender's post in capitals can perhaps discourage others from repeating this heinous crime against humility.

The act of knowingly and consistently using your Facebook wall to list all your supposed accomplishments and embellish your fabulosity quotient.

Can also apply to all mediums of modern internet communication. (Examples: space-brag (MySpace), tweet-brag (Twitter), etc.

To stroke one's own ego to orgiastic extreme via undaunted exhibitionism, the primary activity of a facetard

To totally use facebook to show off to a really embarrasing extent...