A time to test your of will power, courage, fortitude, etc. Rarely does it involve any physical strength or skill, instead being an almost entirely mental challenge. First heard in the US Army, but has spread through usage amongst veterans and wrestling announcers.
when two or more wrestlers have been fighting for a long time, and are both exhausted, its gut check time, to get back into the match.
by Heathy82 January 26, 2012
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