T3R Full Form. Full Meaning of T3R Find long form and abbreviation, slang or definition of T3R. What does T3R mean? What does T3R 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.