Related Clues:
- O, there's something on your line, stupid
- O, something on your line, stupid!
- 'O, a thing that's stupid on the line (6)'
- O, something for such a rough angler
- Molasses-like
- None too quick on the uptake
- Like depleted uranium
- Packed with ideas, as an essay
- Practically impenetrable
- Hard to get through
- Thick, like fog
- Thick wooded valley around the point
- Several rooms with one key? Stupid!
- Clumsy when giving ring to a fish
- Not very bright — needs to be properly organised