wind-up
Wind-up (noun) means an act of teasing someone by telling them something untrue to see how they react, or the false story itself. Example: “We missed the last train and wound up sleeping at the airport.”
How to use wind-up
Learner’s notesIn plain EnglishTelling someone something untrue just to see their reaction.
The teasing sense is British and Irish informal; the "conclusion" sense is neutral and used in business and law.
"Wound up" as an adjective means tense and agitated — "he was too wound up to sleep" — which is a state, not an action.
Trace the full origin ↓Fill the gap
Can you complete this real example?
When he said the office was closing, I assumed it was a _____.
Etymology
From the phrasal verb wind up, in the sense of tightening a spring and hence provoking or agitating a person.