Definitions by MatRus

TCO 

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!

TCO by MatRus September 1, 2005