Don't be a knucklehead and forget to take out the trash.
Don't be a knucklehead; read the instructions before you break something.
Don't let that knucklehead influence your decisions.
Don't listen to him; he's just a knucklehead trying to be funny.
Even a knucklehead knows better than to touch a live wire.
Even for a knucklehead, that was a pretty dumb thing to say.
Even his best friends admit he can be a bit of a knucklehead.
Even my grandma thinks he's a knucklehead.
He acts like a knucklehead, but he's actually quite intelligent.
He apologized for his knucklehead behavior.
He apologized profusely for his knucklehead mistake.
He drove his car into a ditch, the complete knucklehead.
He finally realized he'd been acting like a knucklehead all along.
He got a traffic ticket for his knucklehead driving.
He keeps making knucklehead decisions, and I'm tired of cleaning up the mess.
He lost the game for us, the knucklehead.
He may be a knucklehead, but he’s our knucklehead.
He tried to argue with the police officer, the knucklehead.
He tripped and fell, looking like a complete knucklehead.
He wears his heart on his sleeve, even if he is a knucklehead sometimes.
He wrecked his bike, the poor knucklehead.
He's a good guy, but sometimes he's a total knucklehead.
He's a talented musician, but a complete knucklehead in every other aspect of his life.
He's got a heart of gold, even if he is a knucklehead sometimes.
He's not intentionally malicious; he's just a knucklehead.
He’s always been a bit of a knucklehead, but he's loyal.
He’s not intentionally trying to be difficult; he’s just a bit of a knucklehead.
Honestly, sometimes I feel like a knucklehead for believing in people.
Honestly, sometimes I think my dog is a lovable knucklehead.
I can't believe I have to work with that knucklehead again.
I can't believe I trusted that knucklehead to fix my plumbing.
I can't believe that knucklehead tried to park in a handicapped spot.
I can't believe you're defending that knucklehead.
I can’t believe I let that knucklehead talk me into this.
I overheard someone calling him a knucklehead behind his back.
I saw that knucklehead trying to steal a candy bar.
I swear, that knucklehead is always losing his keys.
I tried to explain it slowly, but he still didn't understand, the poor knucklehead.
I tried to warn him, but he wouldn't listen, the knucklehead.
I wouldn't trust that knucklehead to watch my goldfish.
I'm convinced that knucklehead is secretly a genius.
I'm not going to let some knucklehead ruin my day.
I'm starting to think that knucklehead is doing this on purpose.
I'm surrounded by knuckleheads; it's a miracle anything gets done.
Let's hope that knucklehead doesn't mess things up again.
My brother is such a knucklehead; he put salt in his coffee instead of sugar.
My first reaction to his suggestion was, "What a knucklehead thing to say."
Only a knucklehead would wear white after Labor Day.
Seriously, who hired that knucklehead to paint the mural?
She couldn't help but laugh at his knucklehead antics.
She sighed, "He's such a knucklehead, but I love him."
Someone needs to give that knucklehead a reality check.
Someone needs to teach that knucklehead some manners.
Sometimes I wish I could just shake that knucklehead until he understands.
Stop acting like a knucklehead and listen to me.
Stop acting like a knucklehead and take responsibility for your actions.
Tell that knucklehead to turn down the music; it's deafening.
That knucklehead actually believed everything he read online.
That knucklehead actually thought the earth was flat.
That knucklehead drove right past the exit.
That knucklehead forgot my birthday again.
That knucklehead forgot to lock the car again.
That knucklehead is always getting into trouble.
That knucklehead just walked in front of the camera during the live broadcast.
That knucklehead nearly burned down the kitchen making toast.
That knucklehead sent me a text at 3 AM.
That knucklehead sold his car for next to nothing.
That knucklehead spent all his money on lottery tickets.
That knucklehead tried to use a credit card to buy a pack of gum.
The article called the new law a "knucklehead idea."
The audience roared with laughter at the comedian's portrayal of a knucklehead.
The boss shook his head at the employee's knucklehead mistake.
The coach called him a knucklehead for missing the easy layup.
The customer service representative sighed at the customer's knucklehead complaint.
The director fired the actor for being a disruptive knucklehead.
The dog tilted its head, looking at him like he was a knucklehead.
The internet is full of knuckleheads spouting nonsense.
The judge looked at the defendant with disdain, calling him a knucklehead under his breath.
The knucklehead kept pressing the wrong button on the elevator.
The magician made the volunteer look like a complete knucklehead.
The mechanic called the previous owner a knucklehead for the shoddy repairs.
The movie featured a lovable, but ultimately clueless, knucklehead.
The news reported on the knucklehead antics of some teenagers.
The newspaper described the politician as a bumbling knucklehead.
The other players ostracized the knucklehead who kept fouling.
The parents grounded their son for his knucklehead behavior.
The prank was funny, even though it was a bit of a knucklehead move.
The professor rolled his eyes at the student's knucklehead question.
The project failed due to a series of knucklehead errors.
The referee ejected the player for acting like a knucklehead.
The script called for the character to be an endearing knucklehead.
The security guard refused to let the knucklehead enter without identification.
The software update was designed to be foolproof, even for a knucklehead.
The store clerk looked at him like he was a complete knucklehead.
The teacher sighed as the knucklehead student interrupted the lesson.
The team blamed the knucklehead for the loss.
The whole plan fell apart because of one knucklehead decision.
You can't reason with him; he's a complete knucklehead.
You'd have to be a real knucklehead to fall for that scam.
You’re not a knucklehead; you’re just inexperienced.