get a room

Suggesting that the couple rent a hotel or motel room to continue amorous activities in private.

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get a room

1. (idiomatic, informal, sometimes humorous) Used to instruct a couple to stop displaying romantic or physical affection in public.
   • 2021 December 26, Alys Fowler, “My winter of love: I was homesick in New York. The quiet Danish poet was just what I was longing for”, in The Guardian‎^[1]:

     One night he kissed me on a park bench. I knew we shouldn’t but he would be gone so soon. The next night a homeless guy on a bench nearby hollered at us to get a room, but we couldn’t as we both had fierce landladies.

• PDA (Initialism of public display of affection)

• Tony Thorne (2014) “get a room”, in Dictionary of Contemporary Slang, 4th edition, London,  […]: Bloomsbury

• Moorgate