P120 Full Form. Full Meaning of P120 Find long form and abbreviation, slang or definition of P120. What does P120 mean? What does P120 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.