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2.
A condition where one experiences a sudden feeling of falling and shock, akin to falling back on a chair, caused be nearly drifting off to sleep but waking abruptly...like they used in Inception (the kick)
Arthur used an elevator and explosives to initiate FCS (Falling Chair Syndrome) in a zero-G environment.
by pseudio January 21, 2011
 
1.
The term used to describe the condition, whereby one experiences the sensation of falling suddenly, akin to falling back on a chair, as a result of nearly drifting off to sleep but waking abruptly.
FCS (Falling Chair Syndrome) You know what I'm talking about.
by Gung Ho! September 01, 2010