DictionarylaySexual partner
noun

lay

An act of sexual intercourse, in vulgar slang.

He says he wants a quick lay, not a relationship.

Etymology

The sexual noun develops from lay, to place someone or something down. Slang applied that physical verb to intercourse and then used it as a noun for the act.

More examples

  • She describes the encounter as nothing more than a casual lay.
  • One lay does not mean they are a couple.
  • He crudely refers to his partner as a good lay.

Forms

lay · lays

Similar words

sex
Sex is less vulgar and covers sexual activity more broadly.
intercourse
Intercourse names the act in a neutral, more formal way.