yank someone’s chain
yank (one's) chain
To tease one, often by trying to convince them of something that isn't true. Quit yanking my chain, I know there isn't a Hollywood director calling me right now. I love yanking my sister's chain—it's almost too easy to fool her.
yank someone’s chainand pull someone’s chain
tv. to harass someone; to give someone a hard time. (As if one were a dog wearing a choker collar, on a leash.) Stop yanking my chain, you twit! Do you really think you can just pull my chain whenever you want?