1 definition by MatRus

Total Cock-Out.
While a TKO can be a total knock-out, a TCO, or total cock-out, is the act of getting cockslapped so hard you either fall over or pass out.
Mike Tyson has a 14 in member. Damn, he could use that thing as a weapon! TCO, bitch!
by MatRus August 5, 2005
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