When someone makes up a meaningless word to describe something or someone
"Wow, Volpe, you've been such a stunt cunt lately."
"What the FUCK is a stunt cunt, Lewis?"
"Y'know. Like, a dick."
"You have a real problem with making up psuedowords..."
When a subreddit randomly goes batshit insane, with stupid shitposts and genuinely insane people. Originally from r/batmarkham, hence the name.
Guy 1: All of my favorite subreddits are being flooded with stupid shitposts. What the fuck does "is he stupid?" even mean!?
Guy 2: Blame the Arkham Subreddit Effect...
Guy 1: Why?
Guy 2: Just take a stroll through r/batmanarkham and come back after 10 seconds.