Someone who disapproves of anything sexually said.

A jack off buddy (from 'cum' /'come', meaning 'semen', and 'companion'); a friend that you get together with for sessions of solo or mutual masturbation
Variant of: cumpanion (from 'companion' & 'cum'); jack off buddy & wank bud & JO buddy
Similar to: fuck buddy

Someone who has yet to partake in any events of sexual, romantic, and/or scandalous nature by the time said person reaches their senior year in high school, at the time events as such should be expected to already have happened

Above and beyond terms such as virgin and supervirgin

A person will be a virgin till the day they die, even if there is an after life or the person is reborn again they will always be a virgin. They also know nothing about sex at all.