15 Slang Words for Stupid [Meaning + Example]


Discover a collection of amusing and creative slang words for stupid – a fun exploration of language’s playful side! Uncover humorous jargon to describe moments of less-than-brilliant behavior in a lighthearted and entertaining way. Let the laughter begin! ????????

1. Dumb

Meaning – a slang term for lacking intelligence or common sense.

Example sentences:

  • That was a dumb move, you should have known better.
  • He’s always doing dumb things, it’s a wonder he hasn’t gotten into more trouble.
  • She’s not as dumb as people think, she just has a hard time expressing herself.
  • These dumb jokes are getting old, let’s move on to something else.
  • My friends always make fun of me for my dumb mistakes, but I take it in stride.

2. Thick

Meaning – a slang term for being slow or dense, often used in British English.

Example sentences:

  • He’s a bit thick sometimes, it takes him a while to catch on.
  • She’s not thick, she’s just not familiar with the topic.
  • These thick-headed politicians never seem to understand the needs of their constituents.
  • My thick skull sometimes gets in the way of learning new things.
  • His thick accent made it difficult to understand what he was saying.

3. Numpty

Meaning – a slang term for a foolish or inept person, often used in Scottish English.

Example sentences:

  • He’s such a numpty, he can’t seem to do anything right.
  • She’s always making mistakes, she’s a bit of a numpty.
  • These numpty drivers are making the roads dangerous for everyone else.
  • My friends always tease me for being a numpty, but I know they mean well.
  • His numpty behavior is getting on my nerves, I wish he would be more responsible.

4. Airhead

Meaning – a slang term for a person who is not very bright or intelligent, often used in American English.

Example sentences:

  • She’s a bit of an airhead, she never seems to know what’s going on.
  • He’s always forgetting things, he’s a bit of an airhead sometimes.
  • These airhead celebrities never seem to have a clue about anything important.
  • My airhead moments are embarrassing, but I try not to take myself too seriously.
  • His airhead comments are starting to make me wonder about his intelligence.

5. Thick as a brick

Meaning – a slang term for being incredibly stupid or dense.

Example sentences:

  • He’s as thick as a brick, he never seems to understand anything.
  • She’s always making mistakes, she’s thick as a brick sometimes.
  • These politicians are as thick as bricks, they never seem to be able to get anything done.
  • My own thick as a brick moments are frustrating, but I try to learn from them.
  • His thick as a brick behavior is causing problems for everyone else.

6. Blockhead

Meaning – a slang term for a person who is not very intelligent, often used in American English.

Example sentences:

  • He’s a bit of a blockhead, he never seems to get the point.
  • She’s always making foolish mistakes, she’s a bit of a blockhead.
  • These blockhead drivers are making the roads dangerous for everyone else.
  • My friends always tease me for being a blockhead, but I know they mean well.
  • His blockhead comments are getting on my nerves, I wish he would be more thoughtful.

7. Braindead

Meaning – a slang term for a person who lacks intelligence or is completely unresponsive.

Example sentences:

  • He’s acting braindead, I don’t think he understands what’s going on.
  • She’s not completely braindead, but she’s not the brightest person I know.
  • These braindead politicians never seem to have any new ideas.
  • My own braindead moments are frustrating, but I try to stay focused.
  • His braindead behavior is starting to make me wonder if there’s something wrong.

8. Chump

Meaning – a slang term for a person who is gullible or easily fooled.

Example sentences:

  • He’s a chump for falling for that scam.
  • She’s always been a bit of a chump, she trusts people too easily.
  • These chump customers are always falling for the latest fad.
  • My friends always call me a chump for being too trusting, but I’d rather be that way than cynical.
  • His chump behavior is starting to make me think he needs to be more careful.

9. Dimwit

Meaning – a slang term for a person who is not very intelligent or bright.

Example sentences:

  • He’s a bit of a dimwit, he can’t seem to understand even the simplest concepts.
  • She’s always making silly mistakes, she’s a bit of a dimwit.
  • These dimwit celebrities never seem to have anything intelligent to say.
  • My own dimwit moments are embarrassing, but I try to learn from them.
  • His dimwit behavior is getting on my nerves, I wish he would be more perceptive.

10. Doofus

Meaning – a slang term for a person who is foolish or clumsy.

Example sentences:

  • He’s always dropping things, he’s a bit of a doofus.
  • She’s a bit of a doofus when it comes to technology, she always needs help.
  • These doofus employees are always making silly mistakes.
  • My friends always tease me for being a doofus, but I know they mean well.
  • His doofus behavior is starting to get on my nerves, I wish he would be more careful.

11. Ignoramus

Meaning – a slang term for a person who is ignorant or lacking knowledge.

Example sentences:

  • He’s an ignoramus when it comes to history, he doesn’t know anything.
  • She’s always asking basic questions, she’s a bit of an ignoramus.
  • These ignoramus politicians never seem to know anything important.
  • My own ignoramus moments are embarrassing, but I try to educate myself.
  • His ignoramus behavior is starting to make me wonder about his intelligence.

12. Knucklehead

Meaning – a slang term for a person who is not very intelligent or has a lack of common sense.

Example sentences:

  • He’s a knucklehead for not understanding the instructions.
  • She’s always doing silly things, she’s a bit of a knucklehead.
  • These knucklehead coworkers are making the project difficult.
  • My friends always call me a knucklehead for my silly mistakes, but I know they mean well.
  • His knucklehead behavior is starting to get on my nerves, I wish he would be more attentive.

13. Lamebrain

Meaning – a slang term for a person who is not very intelligent or lacks common sense.

Example sentences:

  • He’s always making foolish decisions, he’s a bit of a lamebrain.
  • She’s not the brightest bulb in the box, she’s a bit of a lamebrain.
  • These lamebrain policies are not helping anyone.
  • My own lamebrain moments are embarrassing, but I try to learn from them.
  • His lamebrain behavior is starting to make me question his competence.

14. Meathead

Meaning – a slang term for a person who is not very intelligent or is overly focused on physical strength.

Example sentences:

  • He’s a bit of a meathead, he only cares about lifting weights.
  • She’s always talking about her muscles, she’s a bit of a meathead.
  • These meathead athletes are not the brightest bunch.
  • My friends always call me a meathead for my focus on fitness, but I know they mean well.
  • His meathead behavior is starting to get on my nerves, I wish he would broaden his interests.

15. Nitwit

Meaning – a slang term for a person who is foolish or lacks intelligence.

Example sentences:

  • He’s a bit of a nitwit, he can’t seem to understand anything.
  • She’s always making silly mistakes, she’s a bit of a nitwit.
  • These nitwit drivers are making the roads dangerous for everyone else.
  • My friends always tease me for being a nitwit, but I know they mean well.
  • His nitwit behavior is starting to make me question his abilities.

Wrap Up

I hope you find the article “slang words for stupid” helpful.

Recent Posts