A tactic in Half Life which involves hiding whilst two people fight, then jumping out when they're at 10% health and killing both of them, named after it's creator.

In terms of respect for such methods of play, it's rated well below that of "Camping" and "Spawn Killing"

Someone who is possessed by clout chasing. The original human is now gone and a demonic entity that feeds on clout is all that is left. An empty shell with no control of their actions, forced to blindly react to situations they think will bring them attention.