It means you are lying to me or trying to fool me.
Yanking your chain,' means to insult someone in a teasing manner, perhaps convincing them of something untrue. This is also called 'pulling your leg.'
No, because you have used the term incorrectly. The idiom is YOU'RE pulling my leg, as in YOU ARE doing it."I know you're just pulling my leg when you say you can fly."
it means are you joking? are you playing with me?
He told me I had won, but I thought he was pulling my leg.
I believe you mean "Yanking your chain.", which means, joking , playing a prank, pulling your leg.
This is not an idiom - when you compare two things with "Like" or "As" then you have a simile. This comparison says that something is as hard as pulling teeth out would be. You often hear this said when someone is very reluctant to part with information and it must be pried out of them like pulling teeth one by one.
An example of an Idiom for Insincerity is: The cat weeping over the mouse [that he has just eaten]. a wolf in sheep's clothing pulling the wool over someone's eyes
It's not really an idiom. It means "what are you thinking about."
RFP is not an idiom. It's an abbreviation.
It is not an idiom, it means your nose is itching.
An example sentence would be: "Are you pulling my leg? "
It's not an idiom. It means the tip of your nostril.