J2M Full Form. Full Meaning of J2M Find long form and abbreviation, slang or definition of J2M. What does J2M mean? What does J2M 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.