The Full form of Y/O is Year Old, or Y/O stands for Year Old, or the full name of given abbreviation is Year Old.
Y/O (Year Old)
Year Old is known as Y/O.
Y/O all full forms
All the above full forms are related to Y/O. A little information is given about one of these full forms. If you are not satisfied with the information given about 'Year Old (Y/O)', then comment. Or if you know more about 'Year Old (Y/O)', then write.