A split image: Left side shows a social media thread debating whether Kermit the Frog is a mammal. Right side shows a post stating, "If your children attend a public school. You fail as a parent," with a reply mocking the poster's grammar.

Confidence is impressive until it’s paired with completely wrong information. We’ve all encountered someone who states an incorrect fact with total certainty, no pause, no doubt, and absolutely no need to verify it. They speak as if confidence alone can will the truth into existence, turning even the simplest misunderstanding into a full-blown explanation delivered with authority.

There is something oddly fascinating about these moments. Whether it’s overconfidence or stubbornness, being wrong has never looked so self-assured. Let’s dive into 20 people who define the term confidently incorrect.

1. Many pubs in England are older than America

A social media post states the U.S. will be 250 years old in 2025, calling it rare for nations to last that long. A reply jokes, "My local pub is older than your country," receiving over 1,200 likes.
anon-zero-quazar/VIA Reddit.com

2. Wireless PC’s don’t exist

A Reddit post says, "If wireless PCs existed, we could take them anywhere and be more productive than plugging them in." A reply says, "You mean, a laptop?" The original poster responds, "I think I said PCs very clearly.
dimerocks/VIA Reddit.com

3. Apparently, frogs are mammals now

A Twitter thread where one user claims "mammals cannot be green," another says "Kermit would like a word," a third replies "Kermit is not a mammal," and a fourth jokes about Kermit's surname being "the frog.
robopilgrim/VIA Reddit.com

4. “You’re parents failed you.”

A Facebook post reads, "If your children attend a public school. You fail as a parent." A comment replies, "Looking at your grammar, your parents failed you," followed by another reply, "thats 'you're' parents failed you," with laughing emojis.
knightphox/VIA Reddit.com

5. He said, “Wrong again” with his chest

A social media comment thread where one user claims Spain is in South America, while others correct them, stating Spain is in Europe. Some comments are highlighted, and laughing emojis are present.
thephantomthiefarc/VIA Reddit.com

6. I mean, he has a point

A screenshot of a Twitter thread where users debate the meaning of "trinity" and the prefix "tri." One says "tri" means three, another sarcastically questions this, and a third points out that "tri" doesn’t always denote three, like in "field trip.
thephantomthiefarc/VIA Reddit.com

7. Why was his response so smug?

A comment says pills are designed to dissolve in certain body parts; another user jokes by asking where else pills would go besides the stomach. The original poster explains enteric coatings allow pills to dissolve in the small intestine.
-sgtspaghetti-/VIA Reddit.com

8. Apparently, the Pope isn’t Christian

A Twitter exchange where one user claims, "The pope is catholic, that’s nowhere near Christian," and another replies, "Bro are you stupid?" with some names and profile details redacted in red.
laminated-papertowel/VIA Reddit.com

9. Sure, an internal temp of 208 degrees ferinheight is the proper internal body temp

A social media post shows a question asking to estimate heart rate at 98.7°F with an answer, “0 bpm.” A reply explains 98.7°F is a normal internal body temperature, implying heart rate should be normal, not zero.
luigi517/VIA Reddit.com

10. Correcting the official Merriam-Webster account is absolutely insane

A Twitter exchange where Merriam-Webster explains "stan" comes from Eminem's song about an obsessed fan. A user corrects Merriam-Webster's phrasing, and Merriam-Webster replies, "Both work!" The user responds, "Both works*" correcting the grammar.
pears_hrbk/VIA Reddit.com

11. Propulsion doesn’t work in space?

A meme shows two illustrations of a space shuttle: one flying through the atmosphere with thrust labeled "Rockets on earth move air backwards," and one in space labeled "Rockets in space move what backwards?
key_bread/VIA Reddit.com

12. Ah, he was so close

A meme shows a person in line with the text: "I may be broke, but I'm not '120 minutes in line' broke." Below are comments correcting “120 minutes” to “1 hour and 20 minutes,” with others pointing out the math error.
theofthe7/VIA Reddit.com

13. Red and green most definitely do not make yellow

A screenshot of a social media thread debating primary colors; one user claims yellow is primary, another insists it's not, citing RGB color theory, while a third clarifies that red, yellow, and blue are the primary colors.
thegamingmackv/VIA Reddit.com

14. Even sea sponges?

Screenshot of a social media conversation discussing sponges, where users debate whether sponges are better than "little plastic molecules," noting that all sponges are made of tiny plastic fibers, with lots of laughing emojis.
indie_dragon-897/VIA Reddit.com

15. “Water doesn’t way anything.”

A woman outside blows on a cloud-like puff of vapor by a wall. Below is a comment thread debating whether the cloud is smoke or water, with replies questioning how water can "weigh" if it floats.
yaboijones/VIA Reddit.com

16. Windmills take more oil to run than 100 cars?

A social media comment claims solar energy is expensive and environmentally dangerous, windmill blades can't be recycled, and windmills use more oil than 100 cars. The comment has 123 reactions and 6 replies.
hummvee69/VIA Reddit.com

17. There’s a lot to unpack here

A white rabbit holding a pocket watch looks distressed. The meme text says, "How I feel after saying 'a quarter till 8' instead of 7:75," with a broken heart emoji. A tweet below questions the correct time for "a quarter till 8.
ikindaloveradiohead/VIA Reddit.com

18. “You’re doing inflation the wrong way.”

A Reddit thread shows three comments debating a car's value after inflation. The first praises a car for $18.5k and 26k miles. Replies argue about calculating inflation and the equivalent price today. Some comments have upvotes and downvotes.
tx_sized10-4/VIA Reddit.com

19. Some people need to do a simple Google search before entering the comment section

A social media thread where users debate whether "ironical" is a word, with one user suggesting buying a dictionary and self-help books. Some comments have negative like counts, indicating disagreement.
contactthin3211/VIA Reddit.com

20. “This is quite literally life under capitalism.”

A tweet by Rod Breslau about Robinhood limiting GameStop stock purchases is shown. Replies compare the restriction to communism, then capitalism. The final reply says, “This is quite literally life under capitalism.”
dreams-in-data/via Reddit.com

Want to see more fools on the internet?

Check out 19 People Who Thought Lying on the Internet Was Cool, or take a look at 25 People Who Have No Sense of Humor (And The Internet Noticed). Finally, if you want to see people with no common sense, check out 21 People Who Clearly Lost a Battle With Common Sense (And the Internet Noticed).

Meet the Writer

Patrick is a writer based in upstate New York, where he grew up and still calls home. Over the past year, he’s been diving deep into storytelling, especially tales rooted in history, the Wild West, lost treasures, and ancient artifacts. He’s also drawn to unsolved mysteries and whatever the internet can’t stop talking about.

Whether it’s a centuries-old legend or a bizarre internet rabbit hole, Patrick is always chasing the threads of a compelling story. When he’s not chasing stories, Pat’s probably hiking mountain trails with his dog, exploring new corners of the U.S., or doom-scrolling between hangouts with friends and family. He finds inspiration in nature, forgotten places, and random conversations—anything that sparks curiosity. Whether it’s city streets or backcountry paths, Patrick’s always on the lookout for the next great story.