go to bed with someone
idiomPart ofbed
go to bed with someone — idiom
1. to have sex with another person, usually one you are not married to. The phrase
1.idiom
Definition
to have sex with another person, usually one you are not married to. The phrase is a polite, indirect way of saying this.
Example
Beatriz refused to go to bed with anyone she had only just met at a party.
The novel hints that the duchess went to bed with her husband's brother.