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