A one-night stand is a single sexual encounter in which there is an expectation that there shall be no further relations between the sexual participants. The practice can be described as sexual activity without emotional commitment or future involvement.

What is the point of a one night stand?

There are many reasons why people will have a one night stand (whether its just once or habitually): Its a way to connect with another person at a time where it may be too painful and risky to emotionally connect.