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30 Funny Lies Our Parents Told Us From Peak Childhood

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Lies our parents told us were basically the original parental controls. No apps. No settings menu. Just a confident adult voice saying something wild and a kid going, seems legit. I was in the driveway this morning watching a neighbor load the car with the calm authority of someone who definitely knows where we’re going, and it reminded me of the classic childhood myths we all swallowed whole.

This batch is full of funny parenting moments and nostalgic humor, the kind you laugh at now because you survived it. Remember being told you’d regret everything forever if you made the wrong face one time? Or hearing “we’re almost there” on a road trip that lasted seven business days?

Gather round, children of misinformation

A Reddit comment sharing one of those funny lies our parents told us, where a user recalls being terrified that if they swallowed a watermelon seed, a full watermelon would grow right inside their belly.
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A hilarious example of funny lies our parents told us from a Reddit thread, where a user's dad convinced them that moths were actually the ghosts of dead butterflies.
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A universally relatable entry in funny lies our parents told us, featuring a Reddit user remembering their parents constantly claiming "We are almost there" during an endless, grueling family car journey.
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A brilliant instance of funny lies our parents told us on Reddit, where a dad confidently answered his kid's question about how ocean waves are made by simply stating "whales," a lie the child believed for years.
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A classic medical myth among funny lies our parents told us, showing a Reddit comment recalling the stern warning that cracking your knuckles would give you terrible arthritis and be permanently bad for you.
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A sarcastic entry in funny lies our parents told us where a Reddit user, permanently stuck at 5'1", complains about their Nana continuously acting shocked and saying "you're getting so tall!" every single visit.
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A highly embarrassing memory of funny lies our parents told us, with a user explaining how their dad convinced them all lizards were named "Russell" because they rustle in bushes, leading to a humiliating moment in a first-grade classroom.
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A clever parenting hack masquerading as one of the funny lies our parents told us, showing a Reddit user admitting they now use their parents' trick of telling kids the car physically will not start unless all seatbelts are fastened.
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An incredibly widespread entry in funny lies our parents told us, where a Reddit user remembers being taught the fake science fact that human blood is actually blue inside the body until it hits oxygen and turns red.
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The ultimate school-age threat featured in funny lies our parents told us, highlighting a Reddit comment about the terrifying, non-existent "permanent record" that supposedly tracked every single bad behavior in elementary school.
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A highly relatable example of funny lies our parents told us showing a Reddit post debunking the myth that you need perfect high school grades to succeed, praising the much cheaper community college transfer route.
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A genius parenting hack disguised as one of the funny lies our parents told us, where a mom gave her kids a bag of quarters and confiscated one for every annoying car ride question, ensuring complete silence.
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A deeply tragic and adult realization featured in funny lies our parents told us, showing a simple Reddit comment reminiscing on the childhood belief that "Bad people/criminals never win".
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A classic culinary myth among funny lies our parents told us, where a Reddit user recalls their mom claiming that eating the crust will make your hair curly just to avoid wasting pizza corners.
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A hilarious anatomical entry in funny lies our parents told us, showing a Reddit user who blindly accepted the ridiculous lie that eating pickles would put hair on their chest.
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The ultimate facial threat found in funny lies our parents told us, highlighting a Reddit post recalling the terrifying childhood warning: "If you keep making that face it'll freeze that way".
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A visual companion to the frozen face myth in this collection of funny lies our parents told us, featuring a Reddit user remembering the absolute terror of being told that crossing your eyes will make them get stuck permanently.
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A universally believed digestive myth showcased in funny lies our parents told us, with a Reddit comment warning that swallowed chewing gum will dangerously stick to your ribs for exactly 7 years.
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An incredibly clever grandparent trick shared in funny lies our parents told us, where a Reddit user remembers their grandfather successfully avoiding the ocean by convincing them he was made of salt and would melt in the water.
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A hilarious generational truth closing out the funny lies our parents told us, featuring a Reddit comment stating the ultimate childhood disappointment: "I thought there would be more quicksand".
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The funniest part is how serious everybody was about it. Your parent didn’t say it like a theory. They said it like a law of nature. Like gravity. Like taxes. Like chewing gum had a strict seven-year lease agreement inside your body.

And you believed it because you had no other sources. No quick search. No “actually, that’s not how blood works” fact check. Just vibes and a family member who wanted peace and quiet. Which is fair. I respect the hustle. If I had a nickel for every time a grown-up invented science to end a conversation, I’d be retired.

Some of these lies our parents told us were gentle crowd control. Seatbelts, manners, the mysterious permanent record that apparently followed you to adulthood like a haunted file cabinet. Others were pure creative writing. Ocean waves? Whales. Moths? Butterfly ghosts. And somewhere out there, a whole generation is still waiting for quicksand to become a real-life issue.

If you’re in the mood for more nostalgic humor after these funny lies our parents told us, swing by 25 Childhood Snacks That Disappeared Overnight, 25 School Memes That Felt Like Federal Law, and 35 Parenting Fails That Accidentally Became Family Lore.

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Posted by Thunder Dungeon Staff About the author

Thunder Dungeon Staff is the byline for galleries our team makes together, led by co-founders Roy R. and Phil M. We've been curating internet humor since 2012: finding the funniest memes, pictures and posts, crediting creators wherever we can, and adding our own take. Roy or Phil reviews every post before it goes live.

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