muddle-headed 
adjective
Mentally disorganized or confused: a muddle-headed idealist...
- Most of them are no doubt just muddle-headed, and don't see the inconsistencies and confusions inherent in their view.
- Disorganized and misleading reports from muddle-headed reporters create a vicious circle which aggravates the situation.
- I always thought Wilson was a muddle-headed fool (and in practice, he probably was), but that event changed me.
Derivatives
muddle-headedness
- I remember seeing one of the most miserable examples of aesthetic muddle-headedness at Manser's Southampton Airport, a small but beautifully detailed little terminal for this modest little airport.
- You all know how I feel about the Wall Street Journal editorial board's muddle-headedness on immigration.
- Her book, by virtue of its sheer muddle-headedness, raises extremely important issues about the way science is viewed and taught in our society.
- give someone credit for
- give someone grief
- give someone head
- give someone hell
- give someone one
- give someone (or get) a thick ear
- give someone (or get) the bum's rush
- give someone (some) skin
- give someone the big E
- give someone the bird
- give someone the boot
- give someone the creeps
- give someone the elbow
- give someone (the) evils
- give someone the eye
- give someone the finger
- give someone the flick (or get the flick)
- give someone the glad eye
- give someone the hairy eyeball
- give someone their cards
- give someone their due
- give someone their head
- give someone the needle
- give someone the pip
- give someone the shits