Funny expressions for saying someone is stupid or strange

Weâ€™ve all heard a clever and witty way to describe someone who isnâ€™t too bright or who acts a bit unusual. Hereâ€™s a collection of some of the best funny expressions for describing people who are a little, um, whatâ€™s the delicate way to say it? Stupid. Gee, I wish there were another way to say thatâ€¦

He’s one taco short of a combo plate.
A few beans short of a chalupa.
one sandwich short of a picnic
A few beers short of a six-pack
One brick short of a load
A few cards short of a deck.
A few bees short of a hive.
He’s one chopstick short.
Heâ€™s one egg roll short of a Pu Pu Platter.

More expressions that are nicer ways of saying someone is strange, stupid, dumb or not very bright or smart.

His rocket isn’t working on all thrusters.
Redefined the term “Third Grader”.
Needs jumper cable leads on her skull.
Slept his way up the food chain.
Check the air pressure in her head.
The only thing that keeps it from going in one ear and out the other is the “For Rent” sign in the middle.
In the event of a water landing, his skull may be used as a flotation device.
Couldn’t find his butt with both hands if it had a bell on it.
Someone needs to spackle her mouth closed before the rest of her intelligence escapes.
He is a few fries short of a happy meal.
His wheel is spinning, but the hamster is dead.
Some drink from the fountain of knowledge, but he just gargled.
His antenna does not pick up all the channels.
His brain downloads at dial up but uploads at high speed.
His receiver is off the hook.
Heâ€™s all foam no beer.
Heâ€™s one coffee bean short of a cappuccino.
As smart as bait.
I think his slinky is so kinked it wonâ€™t slink.
I think his skylight leaks a little.
That boy doesn’t have all his dogs on one leash.
I think her sewing machine is out of thread.
That guy has a bit too much yardage between the goal posts.
If brains were taxed, he’d get a refund.
He’s eating with only one chopstick.
Keeps his brain in good condition.
not playing with a full deck
to have bats in the belfrey
to have kangeroo loose in the top paddock
as crazy as a sack full of ferrets
out to lunch
as nutty as a fruit cake
as mad as a hatter
his elevator doesn’t quite go to the top floor
the lights are on, but nobody’s home
heâ€™s not the sharpest knife in the drawer
Heâ€™s 1 peanut short of a snickers
Heâ€™s not hitting on all six cylinders
Heâ€™s screw already hit the floor.
His brother was an only child.
Pretty house, but nobodyâ€™s home.
He’s got a hole in his bag of marbles.
I think his screen is missing a few pixels.
His cord doesn’t quite reach the outlet.
He’s a few channels short of cable.
If clues were shoes he’d be barefooted.
If his brains were dynamite, he couldn’t blow his nose.
She can speak 200 words a minute with gusts up to 300.
He has verbal diarrhea and mental constipation.

Page topic: Expressions for someone who is not bright. Funny ways to say someone is stupid, dumb or strange