5. Whiskey Tumblers
Throw away those red cups. You're too old for beer pong, and a proper drink deserves a proper glass--so no novelty Star Wars glasses or pints that you drink OJ out of, either. Whether entertaining guests or enjoying a solitary nightcap after a long day at work, drowning your sorrows in a whiskey tumbler is often more relaxing than living vicariously through tumblr.