Ways to Say Someone Needs Help

All in jest, of course... :)

A few fries short of a Happy Meal.
A few peas short of a casserole.
Doesn't have all her cornflakes in one box.
The wheel's spinning, but the hamster's dead.
One Fruit Loop shy of a full bowl.
One taco short of a combination plate.
The cheese slid off her cracker.
Chimney's clogged.
Elevator doesn't go all the way to the top floor.
Forgot to pay her brain bill.
Her sewing machine's out of thread.
His antenna doesn't pick up all the channels.
His belt doesn't go through all the loops.
If she had another brain, it would be lonely.
Missing a few buttons on his remote control.
Receiver is off the hook.
Slinky's kinked.
Too much yardage between the goal posts.
Not the sharpest knife in the drawer.
24 cents short of a quarter.