Losing their pony bet
Guess what? All the bartenders working your office-holiday party are for sure talking smack amongst each other in between pouring Gail from HR another Sauv B. But it gets better. They're also keep running bets on who's going to make a tool of him or herself during the festivities. And, yes, they call them "ponies." If you're not doing the same with your coworkers, well, guess who the good money is on?
The destruction of the last refuge away from holiday music
Brave a look into the dead eyes of a bartender who has heard "All I Want For Christmas Is You" covered by every burgeoning pop act from the last ten years, if you dare. (Or just stop requesting it.)
Witnessing the fruits of cuffing season
All the desperate singles who shacked up once the stores were lined with holiday items (in September) will be making out at the bar, thankful for not having to endure another holiday season alone (though they will inevitably break up around March).