(wind-ups)
1.
A wind-up device is a mechanical device with a handle or key that you turn several times before you use it in order to make it work.
...an old-fashioned wind-up gramophone.
ADJ: ADJ n
2.
A wind-up is a joke or trick in which someone deliberately tells you something untrue in order to annoy you. (BRIT INFORMAL)
At first I couldn't believe it. I thought it was a wind-up by one of my mates.
N-COUNT: usu sing, usu a N