If your friend has never called you a cunt, then, I hate to break this to you, but you're not actually friends.
Of course the other possibility is that you're a really nice person 😬
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Or you're not British. Here in the US, my friends all call me retarded.
Here, you'd be called a dumb cunt, but if well liked, a silly cunt.
It's also a term of endearment, a long the lines of a loveable scamp, "gas cunt", "silly cunt", "who dis cunt?", "haha what a cunt!"
That's right, cunt 👍🏻
You now have 2 options. Call me a cunt. Or admit, by your silence, that I'm a really nice person.