You say these phrases all the time, but do you know their grim origins?

We toss around old sayings all the time—some without thinking twice. But have you ever wondered where these phrases actually came from? You might be surprised (and a little unsettled) to find out that many of them have pretty grim backstories. Even if we’re keeping things light and curious, you’ll never look at everyday expressions the same way again!

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The Mad Hatter may have been lovable and quirky in Alice in Wonderland, but the origin of the phrase isn’t nearly as charming. In the 18th and 19th centuries, hat-makers, especially in England, used mercury in the felt-making process. Long-term exposure to the toxic substance led to tremors, confusion, hallucinations, and even full-blown insanity. So, when someone was "mad as a hatter," it wasn’t a joke, it was actually a tragic side effect of their trade.

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These days, "deadline" means you’re rushing to finish your taxes or meet your grandson’s birthday RSVP. But during the Civil War, it was a deadly serious term. Prison camps had an actual line drawn in the dirt—step past it, and guards had permission to shoot without warning.

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If your grandkids ever run through your living room like a tornado, you’ve probably said they were "running amok." Originally, this referred to sudden, violent rampages by certain warriors in Southeast Asia. European colonizers didn’t understand it and blamed the devil, but it was likely tied to deep psychological distress. Over time, the phrase softened, but its origins are quite dark, don’t you think?

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It might sound like gentle teasing today, but "pulling someone’s leg" used to mean something far more sinister. In the crowded, foggy streets of old London, thieves would trip unsuspecting victims by yanking their legs from behind—either to rob them or help an accomplice mug them more easily. So next time someone says they’re "just pulling your leg," be glad it’s only a joke.

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You’ve probably said you were "taken aback" when someone shocked you with unexpected news, right? Did you know this phrase has nautical roots? On a sailing ship, if the wind hit the sails from the front, it could stop the boat dead in the water, or even pull it backwards. That "aback" feeling was equally surprising as it was alarming!

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We call fake emotions "crocodile tears," but the story behind it is a bit strange. People once believed crocodiles cried while eating their victims, like they were able to show some kind of twisted remorse. Of course, science has since debunked this theory, but the legend stuck around. So when someone puts on a sad face to get out of chores, just remember: even reptiles have better excuses.

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Before painkillers and numbing gels, wounded soldiers had one brutal option during surgery. Can you guess what it was? That’s right, bite the bullet. Literally. On the battlefield, doctors had to work fast and without anesthesia. A bullet between the teeth gave patients something to focus on while wounds were stitched (or worse!)

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We know that Shakespeare loved creating new words and phrases, and "the be-all and end-all" is one of his most dramatic. It first appeared in Macbeth when the title character thinks of ending the king’s life as a final, all-important solution. These days, we use it for less murderous things—like the ultimate plane has for some things.

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Saying "God bless you" after a sneeze might seem polite, but it stems from a much darker place. In the time of the bubonic plague, a sneeze could be an early symptom, and people feared it meant death was close. Saying "God bless you" was like a quick prayer that you’d survive. Other theories suggest it was meant to keep your soul from escaping. Whatever the origin, it was more panic than politeness.

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We say someone’s "wreaking havoc" when they’re causing trouble. But centuries ago, it was an actual military command. Once a battle was won, officers might yell "Havoc!" and soldiers were free to do and destroy whatever they wanted. As you can imagine, the chaos was so brutal that King Richard II officially banned the cry in the 14th century.

Big names ahead

Once you see it, you’ll never unsee it: 12 brand logos’ hidden messages

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A good logo has to communicate what the brand it represents is all about. It should do so in the simplest and most elegant way possible, conveying the brand’s spirit and core concept. The following 12 famous brands have managed to create iconic logos that not only represent them successfully but also include a subtle, partially hidden message. Did you know about any of these?

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The name of the French supermarket chain means "intersection" in its native language. This meaning is clearly reflected in its logo, with its two arrows pointing in opposite directions. Additionally, hidden in the space between the arrows you can see the shape of the letter "C."

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Amazon’s logo has a ubiquitous online presence. It’s simple, and it has been streamlined over the years. If you’ve ever wondered what the arrow beneath the logo means, take a look at its starting and ending points: it goes from A to Z.

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The name Cisco comes from the common abbreviation of San Francisco, its hometown. The logo portrays the two towers of the Golden Gate Bridge, arranged in a shape that also suggests a sound wave.

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Why does Apple’s logo have a bite mark on it? The reason is practical: if there was no bite mark, the smaller versions of the logo—used on a variety of gadgets including the iPhone—might look like a cherry.

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The FedEx logo looks quite normal, but it hides a small detail, overlooked by most: between the second "E" and the "x," the negative space forms a small arrow pointing forward, symbolizing speed and precision.

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The triangular Swiss chocolate Toblerone uses the Matterhorn—one of Switzerland’s most iconic mountains—as its logo. But, if you look closely, inside the mountain you can spot the shape of a bear, which is the official symbol of the Swiss town of Bern, the original home of Toblerone.

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If you’ve ever wondered what the red logo of the Levi’s brand means, then you should take a look at the stitching on the back pocket of any pair of their jeans—the shape matches perfectly.

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If you take a closer look at the neckline of the redheaded girl in the Wendy’s logo, you’ll notice that her shirt collar subtly spells out the word "mom." This detail is meant to evoke the feeling of home-cooked meals, just like something made by your mom.

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The NBC logo is formed by the colors of the rainbow, which represent the colors of modern television. But at the center, you can see the shape of a peacock, with its beak pointing to the right. The colorful shapes around it represent the bird’s spread feathers.

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While some people suggest that the two-colored BMB circle represents a propeller, based on the airplane manufacturing history of the brand, the truth points elsewhere. The blue and white segments actually represent the flag of Bavaria, the region where the company originated.

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The world’s largest chain of ice cream shops, Baskin-Robbins, is best known for offering 31 flavors of ice cream. Its logo cleverly features the number "31" highlighted in pink, hidden within the center of the design.

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The stylized logo and lettermark of the electric car brand Tesla is designed to resemble the cross-section of an electric motor. Or, at least, a meaningful part of it.