Fumblemuggled is a word that I think deserves to exist, it comes from the UK and it is used to refer to people that are confused. Fumblemuggled is a more formal, old way of saying confused.
- Did you see that kid? Bro was Fumblemuggled.
- Yeah for real bro.
Any diversionary activity that requires a fair amount of effort and absolutely no brain power; generally makes the person doing it look slightly stupid.
Building a house of indexcards? That's fun for the feebleminded if I ever saw it.