THAC0T Full Form. Full Meaning of THAC0T Find long form and abbreviation, slang or definition of THAC0T. What does THAC0T mean? What does THAC0T stand for? We are providing world largest and most comprehensive acronyms, names, abbreviations database directory on the Internet. Our data base contains more than 8,00,000 terms abbreviations and acronyms. You can also search unique terms more than 4,00,000 general Comprehensive words.