Top Definition
An automated nervous system response; resulting in the display of an injury from a phantom strike.
In the animal kingdom; this is the equivalent of "playing dead" - right before discovery, that in fact - you are alive and unscathed.
UFC 113 when Paul Daley threw an illegal knee that clearly missed only for Josh Koscheck to act like the strike landed, this would be an example where he "Koschecked Out".
by Just J May 11, 2010

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