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A brief amount of time on facebook were your status/picture/video/post/etc is the center of attention of all your friends.

"15 minutes of fame" - A brief amount of time, were you are considered the center of attention.
Guy #1: Dude, look at all the "likes" I'm getting for this status.
Guy #2: Give it a minute.
Guy #1: Hey...why did people stop commenting?
Guy #2: Face it, everyone has their 15 likes of fame.
by KarateKid73095 July 18, 2011