flash mob

== English == === Alternative forms === flashmob === Etymology === Perhaps from flash crowd, a term coined by Larry Niven in Flash Crowd (1973), a story about cheap teleportation in the future. === Pronunciation === === Noun === flash mob (plural flash mobs) A group of people who rapidly assemble, perform an unusual and seemingly pointless act, and then quickly disperse. [from 2003] ==== Derived terms ==== flash mobber flash rob ==== Translations ====