look up any word, like donkey punch:
 
1.
a reflex, any automatic, unthinking, often habitual behavior of posing response to a camera flash.

noting or pertaining to an involuntary response such as smiling and dropping everything just to strike a pose for photo opportunity.
At the middle of a live television interview she suddenly exhibit the flash pose syndrome..

my friend is suffering from a flash pose syndrome, her world stops at a camera flash.
by lazy laila November 29, 2011