(adj) When a person, group, or other collective makes a decision(s) or commit action(s) that present problems for them and/or others which would tend to make an unbiased third party observer believe the perpetrator(s) is(are) mentally unstable.
"Joann's tendency to throw up after she eats is very problemental."
Anyone can become Problimedes by solving a problem then declaring, "I am Problimedes".
"Ok, ok so it still doesn't work?"
"Hmm, what's changed?"
"The batteries are different!!"
"Try it without the batteries!"
"Eureka! It works!"
"I AM Problimedes!"
The Kaufmann Foundation is hoping to facilitate the growth of more problemeurs in the decade ahead with it's Find A Problem; Change the World grant campaign.