Appendix:Snowclones/what happens in X, stays in X

English

Etymology

Popularized via what happens in Vegas stays in Vegas.

Phrase

what happens in (on, at) X, stays in (on, at) X

1. (snowclone) Said of a place (X), where what happens is agreed to remain strictly confidential, not to be discussed with anyone outside the group.
   • 2022, Emma Lord, Tweet Cute‎^[1], Pan Macmillan, →ISBN:

     “No more getting mad at each other. Cheese and state.”
     “What happens on Twitter stays on Twitter,” I say with a nod of agreement.

Further reading

• happens _NOUN_ stays _NOUN_ at Google Ngram Viewer