Definition - What does Adult Virgin mean?
An adult virgin is an individual, 18 years of age and older, who has not engaged in any sexual activity. These individuals may be asexual or perhaps simply have not had an opportunity to gain sexual experience.
Kinkly explains Adult Virgin
Adult virginity is actually fairly common. A large percentage of individuals that are adult virgins at 18 remain virgins much later into adulthood. Some may choose to never lose their virginity. There are many reasons for adult virginity whether by chance or by choice.