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