a dirty weekend

dirty weekend

A secret getaway in which two unmarried people leave town to have sex. Primarily heard in UK, Australia. When Dana and Harry both skipped work on Saturday, we knew they had gone away for a dirty weekend.
See also: dirty, weekend
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

a ˌdirty weekˈend

(British English, humorous) a weekend spent away from home in order to have sex, usually with somebody who is not your usual partner: They went away for a dirty weekend in Brighton.
See also: dirty, weekend
Farlex Partner Idioms Dictionary © Farlex 2017
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References in periodicals archive ?
Half would check into their hotel for a dirty weekend as Mr and Mrs Smith tomaintain anonymity and get in the mood
KYLIE Minogue's make-over from cute Neighbour to sex kitten is complete after she was voted the ideal partner for a dirty weekend in a poll.
ICON: Crowe; YOU BOOTY: Kylie is the women most men would take away on a dirty weekend
She's planning a dirty weekend and wants me to tell her husband she's coming away with us to help look after our kids.
Don't expect your friend to be happy that her alibi has gone but she needs to wake her up to the fact she's putting her marriage in jeopardy for a dirty weekend away.