Buffalo Bills
The act of setting up an all but guaranteed act then having it fall through at the last minute for some random and inexcusable reason.
Last week my girlfriend met this hot chick at Starbucks and planned on surprising me with a 3sum. But then out of nowhere my girl came down with the Swine Flu. I can't believe she Buffalo Bills'd me!!... FML
Buffalo Bills by Dr. Reginald T. Lovesponge III May 14, 2011