Griefing
Way to be a jerk! For those not in the know, griefing is the act of harassing another for the sake of entertainment in order to ruin their play in-game. Different from trolling, griefing manifests in using the game mechanics against other players to ruin their fun. Someone stealing all of their friend’s supplies while they were logged out of Minecraft before booby trapping their home? Someone purposefully running around in a shooter with friendly fire off, taking time out of their day to blast only friendlies? Someone intentionally running into enemy teams with the whole purpose of getting massacred mercilessly so that it annoys everyone else on their own team? Yep, it all qualifies as griefing.
Get out of town, griefers! Not only is this behaviour not even a little entertaining, but it’s an easy way to lose friends. It’s also an easy way to receive a ban from the game developers, as griefing is frequently against most game’s terms-of-service, and is often a bannable offense. Have fun not playing games with that IP ban, jerk!