cock-and-bull story (noun)

1. The movie had a gripping plot, but it was ultimately just a cock-and-bull story.

2. She fell in love with his charm and good looks, even though she knew his stories were nothing more than cock-and-bull tales.

3. He entertained us all with his hilarious cock-and-bull story about how he became a millionaire overnight.

4. The author weaved a fantastic world full of magical creatures and daring adventures in his cock-and-bull story.