When I was a teenager, I hung out with a group of kids who didn't have the best reputations, but they weren't totally evil either (or so I thought). One day we were driving around, obnoxiously yelling out the window at passersby (as we often did when we were bored), when one of my friends spotted an elderly man waiting to cross the street. The rest of us agreed that we wouldn't mess with the old man, but as we approached the intersection, the friend who had spotted him quickly pulled out a packet of lunch meat from his backpack and threw the cold cuts straight at the man's face the moment we passed him. As my friend howled with laughter, I felt like I was looking at someone for the very first time. Needless to say, I didn't hang out with him again after that. I hadn't thought about that day in years, but a recent Reddit thread asking redditors "what is the most fucked up thing you've seen a friend do?" triggered a trip down memory lane. Keep scrolling for a wide range of funny, tragic, and disturbing stories from the thread.