one-night stand

American  

[wuhn-nahyt stand] / ˈwʌnˌnaɪt ˈstænd /

noun

1. a single performance in one locale, as by a touring theatrical company, before moving on to the next engagement.

2. a place where such a performance is given.

3. Slang.

   1. a single, unrepeated sexual encounter, as one lasting for just one night.

   2. a participant in such an encounter.

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one-night stand British  

noun

1. a performance given only once at any one place

2. informal

   1. a sexual encounter lasting only one evening or night

   2. a person regarded as being only suitable for such an encounter

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Etymology

Origin of one-night stand

one-night stand def. 1 is an Americanism dating back to 1875–80; one-night stand def. 3 was first recorded in 1935–40.

Example Sentences

Versus the will they or won’t they attempt anything forever or it’s a one-night stand and so and so overheard this and there’s a misunderstanding.

From Los Angeles Times

And, as is its wont, survival swiftly turns ruthless: Hawk plants Tim in McCarthy’s office as a reluctant double agent, and hands over the name of a one-night stand to protect a colleague under threat.

From Los Angeles Times

Although raised by a conventional Jewish couple in Armonk, north of New York City, Naomi was the product of a one-night stand between her mother and a Black scientist.

From Washington Post

But most apps don't pose this question at all, and set up plenty of users either for one-night stands that they may not realize will be one-night stands, or long-winded, painful guessing games.

From Salon

Rinna admitted to having "a couple of one-night stands" with the actor.

From Fox News