Snopes.
You could do it, it's a legitimate way to get drunk really fast. The question is, is it really a widespread practice? I would say no. Now, I'm sure it's been done, there are always a few wingnuts out there, but a common practice? C'mon. If some teens are going to get a hold of some alcohol, they're just going to drink it. No need for fancy theatrics.
You get a lot of stories like this. "Oh my God, what the kids are doing these days!" Truth is, the kids are doing the same thing kids having been doing for years.
Side note, you absorb most chemicals much faster rectally than you would if you simply ingested them. It's hard enough to watch your intake with hard alcohol without the added duress of sticking them up your bum (or fanny, as it were). There is an actual practice of the coffee enema. Basically what it sounds like, an enema done with coffee. Janet Jackson has revealed in interviews that she is a proponent.
Don't do this. Caffeine is fairly innocuous, but it is entirely possible to O.D. on it. Sticking it up your bum will cause you to absorb it way faster than you probably should. Even if you are a fan of the enema, don't do it with a fluid that contains caffeine.
The more you know.
That is a very sensible post, Mofo. I was kind of thinking that when I initially pulled this post up, but didn't bother questioning it at the time.