pylon spotting
The unspeakably boring hobby of walking under electricity pylons with a pen and notepad and writing down the serial numbers from the pylons. Perfect hobby for those who can't get laid.
Joe: What do you like to do in your spare time?
Schmoe: I go pylon spotting.
Joe: That's so uncool. Get a life!
Schmoe: I go pylon spotting.
Joe: That's so uncool. Get a life!