To wind up somewhere is to land in a place or state you never planned. Wind up in hospital, wind up doing it yourself, wind up broke.
It always carries a hint that the ending was nobody's intention. Two other senses share the spelling, since you can wind up a clock and wind up a company.
1phrasewind upTo finally land in a place or state you never planned.
“Take that road at night and you wind up back where you started.”
wind up is a phrase.
Also accepted in games: end up
Practised in Phrasal Verbs