pass-by meeting
n.— «“The exchange, such as it was, was limited and was on Iraq…. It was a pass-by meeting,” he told Reuters, using the term for a brief informal encounter.» —“Senior U.S., Iranian officials meet at Iraq talks” by Mariam Karouny, Sue Pleming in Sharm El-Sheikh, Egypt Reuters May 4, 2007. (source: Double-Tongued Dictionary)
Further reading
When there’s no evening meal planned at home, what do you call that scramble to cobble together your own dinner? Some people apply acronyms like YOYO — “you’re on your own” — or CORN, for “Clean Out your Refrigerator...
It’s hard to imagine now, but there was a time when people disagreed over the best word to use when answering the phone. Alexander Graham Bell suggested answering with ahoy! but Thomas Edison was partial to hello! A fascinating new book about...