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