A sarcastic way of saying you don't believe the story you're being told. You're basically "helping them" to make the story more creative, while at the same telling them you know it is a story and not actually true.
Person: "So I met Prince Harry and got his number but then I lost it."
Me: "Cool story, needs more dragons."
Me: "Cool story, needs more dragons."
by MrCarlSir April 5, 2014