Party with strangers whose names you don’t remember/never knew
My friends call this unique single-serving-friend phenomenon "Cowboy Guy." I forget why exactly, something do with a dude in a cowboy hat in New Orleans. It doesn't matter, but to Cowboy Guy (spread it!) is to truly laissez les bon temps rouler. Basically, you meet strangers, you become fast friends, you spend an outrageous night of drinking and debauchery with them, and you forget their names the next day (if, in fact, you ever knew them).
And I'm not talking about doing sex (see below). This is just dumb camaraderie born of partying, and while you can do it at any age, it's really something you should experience before the clock strikes, "I can't believe it's 2am and I'm still out!" Also, you can Cowboy Guy (it's gonna catch on!) with a group of friends or alone. But stranger danger, of course. We would be remiss if we didn't urge you to exercise caution as much as realistically possible.