Definition of “wind sb up” - Learner’s Dictionary

wind sb up

UK informal phrasal verb with wind uk us /waɪnd/ verb (past tense and past participle wound)

to tell someone something that is not true, as a joke:

Have I really won or are you winding me up?

to annoy someone:

He keeps complaining and it really winds me up.

(Definition of “wind sb up” from the Cambridge Learner's Dictionary © Cambridge University Press)