Saint Patrick's is the one day you don't want to work as a bartender. Not that New Year's is that much better, but still, Saint Patrick's holds first place for rowdy customers who use the celebration of Irish culture as an excuse to get completely hammered. As customers, they can be rude, loud, and most of all, sick to their stomachs, which creates a big mess. Who gets the lovely privilege of cleaning up after 'em? You, if you're a server. But the money is pretty sweet, as people tend to be pre…