Top Definition
the ridiculous event in which everybody, or a large amount of people, act in the same way and same time and without collaboration, as opposed to an even and natural dispersion in which people behave. (negative connotation)
Example 1: I said to him that the citizens driving on this highway suffer from stockmarketsyndrome because there is either nobody on the road, or a huge volume of cars all come at once.
by Bala Shing March 03, 2014

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