A man walks into a bar and sees a sign that says, "Free drinks for anyone who can make our horse laugh." The man thinks, "Challenge accepted!" and approaches the bartender.
He asks the bartender how to make the horse laugh, and the bartender replies, "No one has been able to do it yet, but you can try anything you want."
So the man goes outside and whispers something in the horse's ear. The horse starts laughing uncontrollably, rolling around on the ground and snorting.
The bartender is amazed and asks the man, "What did you say to make the horse laugh like that?"
The man replies, "I just told him that I have a bigger carrot than he does."