ons
n. countablen. a sexual encounter that happens only once between two people who do not plan to have a relationship. It is a common short way to say 'one-night stand'.
n. a single sexual encounter between two people where there is no expectation of a future romantic relationship. An acronymic shortening of 'one-night stand', typically used in informal or digital dating contexts.
He realized the encounter was just a casual ONS.
Many people using dating apps specify in their profiles whether they are looking for a long-term relationship or just an ONS.
While some view an ONS as a liberating expression of modern dating, others find the lack of emotional continuity leaves them feeling unfulfilled after the initial excitement fades.
Usually written in capital letters as an acronym; often appears in personal advertisements or dating app biographies.