|Perhaps the trend emerged as a backlash for those chronically lactose intolerant.|
One great advantage to having children is that our relegation to the Old, Useless, And In The Way Club gets delayed a bit as we often have a conduit into "what the kids are into."
I suppose this is only true while the kids are still young and naive enough to let us know what they're into.
This past weekend my daughter clued me into the new trend of "Milking," dumping milk on oneself while filming it. She is merely a cognoscenti, rather than a participant. Planking is passe, hail the new.