N. - A "flash mob" is a organized event where people gather to do a pre-determined action, in a pre-determined place at a pre-determined time. Usually harmless and funny. Think like massive pilow fights in town centers and things of the like. Usually organized on the internet.
Wanna see? Google Video it...
"Dude, did you hear about the flash mob we're setting up next week?"
"Yeah dude, can't wait!"
January 23, 2007