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