J2S Full Form. Full Meaning of J2S Find long form and abbreviation, slang or definition of J2S. What does J2S mean? What does J2S 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.