The act of finding out news or gossip by looking around Facebook (Myspace, Bebo.) The information that you learn may or may not be legit.
"How'd you find out I hooked up with Jan?"
"Well, since you didn't tell me yourself, I had to Facebook Sleuth to find out the story.
"Well, since you didn't tell me yourself, I had to Facebook Sleuth to find out the story.
by lce Dance July 11, 2008