(I decided to bold some of the ones I liked most. They're ones I haven't heard before.)
Ex:
- Not the brightest star in the sky
- The light’s on but no one’s home
- Not the brightest bulb in the box
- A few screws short of a hardware store
- Not the sharpest knife in the drawer
- A few cards short of a full deck
- About as sharp as a marble
- Smart as a bag of rocks
- The elevator doesn’t go to the top floor
- A few keys short of a piano
- The gates are down and the lights are flashing, but the train ain’t coming
- As smart as a stick
- Fell out of the stupid tree and hit every branch on the way down
- An intellect rivalled only by garden tools
- Has an IQ of room temperature
- Not the sharpest crayon in the box
- Not the sharpest tool in the shed
- Driveway doesn’t reach the road
- Dumber than a bag of hammers
- All foam no beer
- As smart as bait
- Missing buttons on his remote control
- Proof that evolution CAN go in reverse
- Receiver is off the hook
- Has a leak in the skylight
- Too much yardage between the goal posts
- Half a bubble off plumb
- Donated his brain to science before he was done with it
- A few shades beyond blonde
- A few watts short of a light bulb
- Running on 3 cylinders
- Has the parachute but is missing the ripcord
- All volume no content
- Wouldn’t know if they were on foot or horseback
- The wheel is spinning but the hamster is dead
- A shining example of why you should avoid inbreeding
- Would argue with a signpost
- Has a mind like a steel trap: rusty and illegal in 37 states
- The result of too much chlorine in the gene pool
- Not the quickest bunny in the forest
- The hard drive is spinning but the OS hasn’t been installed
- A few colours short of a rainbow
- A few sheep short of a flock
- A few kangaroos loose in the top paddock
Most Helpful Opinions