She is a fruit loop.
One French Fry short of a Happy Meal.
One brick short of a load.
One sandwich short of a picnic.
She has his solar panels on the north side
Her elevator doesn't go up to the top floor.
She doesn't have both oars in the water
One enchilada short of a combo platter
About as sharp as a marble.
A few clowns short of a circus.
Not the brightest bulb on the Christmas Tree.
A few beers short of a six-pack.
A few peas short of a casserole.
Doesn't have all her Cornflakes in one box.
One Fruit Loop shy of a full bowl.
One taco short of a combination plate.
A few feathers short of a whole duck.
Doesn't have all her dogs on one leash.
Missing a few buttons on her remote control.
No grain in the silo.
Proof that evolution can go in reverse.
Receiver is off the hook.
Several nuts short of a full pouch.
Skylight leaks a little.
Slinky's kinked.
Surfing in Nebraska.
Too much yardage between the goal posts.
Not the sharpest knife in the drawer.
The lights are on, but nobody's home.
24 cents short of a quarter.
The wheel's spinning, but the hamster's dead
if you get my drift....