10 ways to express"i don't believe "

 10 ways to express “I don’t believe it”

1. I ain’t buying it.

2. You’re pulling my leg!

3. That’s a load of baloney!

4. I smell a rat.

5. You’re having me on!

6. I’ll believe it when pigs fly.

7. Yeah, right!

8. No way, Jose!

9. You must be joking!

10. Are you serious?