Similes are comparisons that use words like “as” or “like” to describe something in a vivid, creative way. They make language colorful and easy to understand.

One interesting and humorous category of similes is when people use them to describe someone as .

These expressions have been around for centuries and are still used in conversations, stories, and even jokes.

Read on to discover 38+ funny, clever, and memorable similes for “” that you can use in 2025.

What is a Simile?

A simile is a figure of speech that compares two different things using the words “like” or “as.” It helps us paint a clearer picture in the reader’s or listener’s mind.

5 Quick Similes for

Simile	Meaning	Example Sentence
As thick as two short planks	Very unintelligent	He’s as thick as two short planks when it comes to math.
As sharp as a marble	Lacking intelligence or wit	That idea is as sharp as a marble.
Like a screen door on a submarine	Completely useless	His excuse was like a screen door on a submarine.
As bright as a blackout	Totally lacking in intelligence	She’s as bright as a blackout during exams.
Like a rock in a think tank	Someone incapable of deep thought	He’s like a rock in a think tank meeting.

Full List of 34 Similes for

1. As thick as two short planks

Meaning: Extremely unintelligent.
Definition: Used to describe someone who lacks common sense.

He’s as thick as two short planks when it comes to directions.
I tried explaining, but she’s as thick as two short planks.

2. As sharp as a marble

Meaning: Not sharp at all, mentally slow.
Definition: A sarcastic way of saying someone is not clever.

That guy is as sharp as a marble.
She’s as sharp as a marble in solving puzzles.

3. Like a screen door on a submarine

Meaning: Completely useless.
Definition: Suggests someone is not fit for a task.

His plan is like a screen door on a submarine.
That argument was like a screen door on a submarine.

4. As bright as a blackout

Meaning: Totally lacking in brightness or intelligence.
Definition: Suggests someone is the opposite of smart.

He’s as bright as a blackout in class.
Her ideas were as bright as a blackout.

5. Like a rock in a think tank

Meaning: A person who adds no value to discussions.
Definition: A dull participant in smart groups.

He sat there like a rock in a think tank.
She’s like a rock in a think tank—silent and useless.

6. As smart as a sack of hammers

Meaning: Completely .
Definition: Comparing someone’s brainpower to tools that cannot think.

He’s as smart as a sack of hammers.
That was as smart as a sack of hammers.

7. As quick as a turtle on ice

Meaning: Extremely slow in thought.
Definition: Someone who struggles to respond or think fast.

His reply was as quick as a turtle on ice.
She learns as quick as a turtle on ice.

8. As clueless as a goldfish

Meaning: Very unaware or forgetful.
Definition: Suggesting short memory and little awareness.

He’s as clueless as a goldfish in meetings.
She’s as clueless as a goldfish with directions.

9. As intelligent as lint

Meaning: Lacking any intelligence.
Definition: Comparing to useless fluff.

That idea is as intelligent as lint.
He’s as intelligent as lint when it comes to science.

10. Like a brick in water

Meaning: Completely sinking, no use.
Definition: and ineffective.

His suggestion went down like a brick in water.
That excuse was like a brick in water.

11. As bright as a burned-out bulb

Meaning: Not bright at all.
Definition: A witty way to describe low intelligence.

He’s as bright as a burned-out bulb.
That decision was as bright as a burned-out bulb.

12. As smart as paint

Meaning: Dull or boringly unintelligent.
Definition: Comparing to something lifeless.

He’s as smart as paint when solving riddles.
That answer was as smart as paint.

13. Like a one-watt bulb

Meaning: Dim-witted, not shining bright.
Definition: Refers to weak intelligence.

He’s like a one-watt bulb in problem-solving.
That explanation was like a one-watt bulb.

14. As empty as a politician’s promise

Meaning: Meaningless or foolish.
Definition: A clever comparison of to false promises.

His excuse was as empty as a politician’s promise.
That argument is as empty as a politician’s promise.

15. As useful as a chocolate teapot

Meaning: Totally useless.
Definition: Suggesting impracticality.

He’s as useful as a chocolate teapot in emergencies.
That plan is as useful as a chocolate teapot.

16. As sharp as a bowling ball

Meaning: Very dull-minded.
Definition: A funny comparison for someone unintelligent.

He’s as sharp as a bowling ball.
That answer was as sharp as a bowling ball.

17. As aware as a sleeping sloth

Meaning: Completely unaware or ignorant.
Definition: Suggesting laziness and lack of perception.

He’s as aware as a sleeping sloth.
She’s as aware as a sleeping sloth in class.

18. Like a shoe with no sole

Meaning: Useless and lacking depth.
Definition: Comparing to emptiness.

His logic is like a shoe with no sole.
That argument is like a shoe with no sole.

19. As brainy as a brick wall

Meaning: Very unintelligent.
Definition: Suggesting no ability to think.

He’s as brainy as a brick wall.
She’s as brainy as a brick wall when it comes to ideas.

20. As wise as a headless chicken

Meaning: Completely clueless.
Definition: Suggesting chaos without sense.

He’s as wise as a headless chicken.
She’s as wise as a headless chicken during exams.

21. As bright as a candle in the wind

Meaning: Weak intelligence, easily lost.
Definition: Fragile or fleeting smartness.

His thoughts are as bright as a candle in the wind.
That plan was as bright as a candle in the wind.

22. As quick as a snail in mud

Meaning: Slow thinker.
Definition: A humorous way to describe .

He’s as quick as a snail in mud.
That answer was as quick as a snail in mud.

23. Like a locked book with blank pages

Meaning: Impossible to get knowledge from.
Definition: and unhelpful.

He’s like a locked book with blank pages.
She’s like a locked book with blank pages in discussions.

24. As clever as a cabbage

Meaning: Not clever at all.
Definition: Comparing to a vegetable.

He’s as clever as a cabbage.
That idea was as clever as a cabbage.

25. As wise as a rock

Meaning: Totally lacking wisdom.
Definition: Rocks can’t think, so it’s a blunt insult.

He’s as wise as a rock.
That decision was as wise as a rock.

26. As bright as a mud puddle

Meaning: Dull and murky intelligence.
Definition: A dirty comparison for .

He’s as bright as a mud puddle.
That suggestion was as bright as a mud puddle.

27. As smart as a doorknob

Definition: A simple and classic insult.

He’s as smart as a doorknob.
That idea was as smart as a doorknob.

28. Like a kite without a string

Meaning: Directionless and foolish.
Definition: Floating without control.

He’s like a kite without a string in life.
That plan was like a kite without a string.

29. As wise as an unplugged lamp

Meaning: Produces no light, therefore no wisdom.
Definition: Suggesting total uselessness in thinking.

He’s as wise as an unplugged lamp.
That logic is as wise as an unplugged lamp.

30. As empty-headed as a balloon

Meaning: Foolish and light-minded.
Definition: Suggesting hollowness.

She’s as empty-headed as a balloon.
He’s as empty-headed as a balloon during exams.

31. As bright as fog

Meaning: Very unclear or .
Definition: Intelligence clouded like mist.

His answer was as bright as fog.
She’s as bright as fog in logic.

32. As clever as a fence post

Meaning: Very .
Definition: A common rural simile.

He’s as clever as a fence post.
That reasoning was as clever as a fence post.

33. As smart as an empty toolbox

Meaning: Lacking useful tools = lacking intelligence.
Definition: A person with nothing useful in mind.

He’s as smart as an empty toolbox.
She’s as smart as an empty toolbox.

34. As logical as a fairy tale

Meaning: Not logical at all.
Definition: Suggests in reasoning.

His plan was as logical as a fairy tale.
That theory is as logical as a fairy tale.

How to Use These Similes in Creative Writing

Similes like these can add humor, exaggeration, or personality to your writing. Whether you are writing:

Poems: Use playful similes to make verses lively.
Stories: Add character depth with witty comparisons.
Songs: Create catchy, funny lyrics with similes.
Essays: Use them sparingly to add color to arguments.

Tip: Always use similes in context—don’t overuse them, or your writing may sound forced.

FAQs

What does “as thick as two short planks” mean?

It means someone is very or lacking common sense.

Are similes always insulting when describing ?

Not always. They can be humorous, sarcastic, or even lighthearted depending on tone.

Can I use these similes in academic writing?

In formal essays, avoid them. But in creative writing, blogs, or casual stories, they work perfectly.

What is the difference between a simile and a metaphor?

A simile uses like or as for comparison, while a metaphor states one thing is another.

Are these similes used worldwide?

Some are popular in English-speaking countries, while others are region-specific or humorous inventions.

Conclusion

Similes for are a playful way to describe people, ideas, or actions lacking intelligence. They add humor, color, and exaggeration to everyday language.

Use these 38+ similes in your writing, conversations, or creative projects to make your words stand out.

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