A micromanager who thinks they know more about a product than the professionals they’ve hired to develop it, despite the fact the reason they hired the professionals in the first place is due to the fact that they know diddly-fucking-squat about it.

Refers to someone who gives "ideas" about how things should have been done differently, or needs to be done in a better way, but has neither the ability nor the knowledge that required to deal with the case, and has never been in a similar scenario and never experienced in the like. Resembles the proverb: "After the ship has sunk everyone knows how she might have been saved".

Someone without any background in phycology who thinks they know everything about it. They usually diagnose people or themselves with little to no knowledge of how these illnesses work.