Is it uncool not to drink ?

I'm in college, and most people around me drink—though some don’t. I’ve never had a drink, not even once, so a lot of my classmates think I’m uncool. They say things like, "Bro, you don’t drink? What do you even do for fun? Like, WTF?"

I do have some friends who don’t drink, and we’re perfectly fine with it. But others keep saying, "Macha, just try it once, I’ll pay for it," or "Next time we hang out, we’ll spike your drink," and stuff like that.

Is drinking really the norm? And how do I deal with this nonsense?