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When you loose complete muscle control, then fall to the ground with your limbs thrashing and twitching about uncontrollably.
Often associated with someone having a seizure, however can be caused by other sources such as getting shot with a Taser.
Dude!! Did you see that guy do the Crappie Flop when the cop shot him with that Taser?
by Shock Therapy April 25, 2005