XX8 Full Form. Full Meaning of XX8 Find long form and abbreviation, slang or definition of XX8. What does XX8 mean? What does XX8 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.