Roadside pee shoot
My very first encounter that I can recall with this was when I was in late elementary school - maybe 12-ish. I honestly don't recall where we were heading, but I was with a buddy of mine and his dad was driving. We were ripping along a country road and came up to a car off on the side with it's 4-ways on. It was an old classic muscle car; I couldn't tell you what exactly. My buddy and his dad are car nuts so we slowed down to have a look, and that is when we saw a young couple relieving them
True story of my wife running into a similar situation at work:
Bonnie encounters co-worker peeing into waste basket
My phone rang last week and on the other end, calling from a bathroom stall at her workplace was my wife who frequently dials when she's peeing so we can enjoy her pee together (and frequently a frantic wank). The bathroom she's calling from is a one-toilet women's lavatory for the office help in a small machine-shop. There are no partitions -- the toilet is right there