To have a person build up your excitement around an item or event, then have that same person, usually subconsciously, switch it at the last moment.
Him: That place there has the best fried chicken in town! We should eat there.
You: Yes, that sounds amazing. I love Fried Chicken!!!
Him: Oh...but I can't today, because I on a diet. Let's grab a salad.
You: Damn it, I hate being levined!