wind (someone) up
Definition: (informal) to deliberately tell someone something which is not true in order to make a joke or in order to annoy the person.
(This phrasal verb has more than one meaning)
E.g.1: Fred: Bill told me that he learned English in 5 days!
Sue: He was winding you up!
E.g.2: They sometimes wound their teacher up by pretending they didn’t know the answers.
This phrasal verb can be separated. (E.g. 1 and 2)