one-night stand

1. An occasion when a performer or team of them (especially in vaudeville) expects to perform at a theater for a single evening.

2. (idiomatic)A single sexual encounter between two individuals, where at least one of the partners has no immediate intention or expectation of establishing a longer-term sexual or romantic relationship.

   Near-synonyms: hit and run; pump and dump; wham, bam, thank you ma'am

3. (idiomatic)Either of the two partners involved in such a single sexual encounter.

   einmalige Angelegenheit, One-Night-Stand

   рома́н на одну́ ночьromán na odnú nočʹ, случа́йная связьslučájnaja svjazʹ

   a brief sexual encounter lasting only for a single night

regular