I randomly remembered this story my Dad told me about this younger dude he worked with in the early 90s. The guy wasn't quite right and was always going on about how he could use literally any object to kill someone.
My Dad is a pretty run of the mill thinker and so were his co-workers, so they were pretty weirded out by this guy and tried to lighten the mood with some humor and they were joking around with the guy
"Hey Dale! Watch out for the paper towel roll! Josh is gonna use it to kill you haha!"
Josh just glared at them and was like, "Har har. Oh please. Paper towel? That's easy, I'd just soak it with water and stuff it down your throat until you suffocated."
...
Everyone just went dead quiet after that and didn't joke about it anymore.
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