- Go play in traffic
- You've got a face like a squeezed tea-bag
- If you had a brain you'd be dangerous
- If you went to a mind reader there would be no charge
- I know when you are lying, Your lips move
- The lights are on, but no one is home
- You are as much use as mud guards on a tortoise
- The Wheel's moving but the hamster's dead
- You are as much use as a chocolate teapot
- You are one sandwich short of a picnic
- A pity your brain isn't as big as your bottom