Let's explore the Boilermaker

Let's explore the Boilermaker
If it wasn’t a straight shot of whisky (rye or bourbon), then it was a boilermaker. I had no idea what a boilermaker was, but if these blokes were drinking them, then they must be cool. At the time, I thought the epitome of being an adult was to sit in a dimly lit bar by yourself, knocking back boilermakers. To be fair, I was only seven or eight.