Hang around the Downs long enough and you'll hear them all - the excuses, the braggadocio and other verbal atrocities that are just flat-out infuriating to anyone within earshot.
Any serious discussion of racetrack etiquette has to begin with the single thing that affects every betting patron: What the person in front of you is doing at the window/self-service terminal.
Rather than rolling up that program and whipping yourself with it, Why not calmly study its contents? It may make Derby Day go a lot smoother for everyone.