I had no idea I was acting Finnish all these years: The name says it all, or most of it, anyway; päntsdrunk means to drink an alcoholic beverage in your pants — specifically your underpants, and it’s picking up interest in the U.S. There’s even a new book out called “Päntsdrunk: Kalsarikanni: The Finnish Path to Relaxation” by Miska Rantanen, indicating that this seemingly...