Actually, we didn't know a few of these things either … 

Did you know the phrase "intensive purposes" is actually "intents and purposes"? Yeah, we didn't either, but it turns out we've been saying it wrong for our entire lives. Guilty as charged.

But it turns out that people all over the world are just as dumb, because there's a ton of shit they never realized until, way, way too late in life. Thanks to Reddit, we can bask in the embarassing glory for our entertainment. And to maybe learn something too.

"Liam is a nickname for William. It absolutely never occurred to me."
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"Ponies are not baby horses."
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"It was embarrassingly late in life that I realized that 'quart' was short for quarter of a gallon. I'm not stupid, I swear."
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"That the 'D' in Disney actually looks like a 'D' and not just a random scribble."
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"I've been using computers for most of my nineteen years, but I just recently realized why the 'space bar' was called the space bar. It's a bar that creates spaces. Never in my life have I felt more stupid."
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"Up until about 6 months ago, I didn't realize that Twinkle Twinkle Little Star had the same tune as the alphabet…"
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"Yesterday it just occurred to me that Ray-Bans are named such because they're sunglasses, which literally ban the sun's rays from reaching your eyes as intensely. I'm 30."
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"That in The Lion King, during the awesome song 'I Just Cant Wait To Be King', the reason Zazu claims that 'this child is getting wildly out of wing.' is because he is bird, and he meant like, hand."
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"I always wondered WHY some toilets seats are circular and some are oblong. Why have to styles?
Thanks to an ask reddit about minor issues for each gender, I think it's because if a man sits down to poo, the oblong seats keeps his penis free of the risk of touching the inside of the bowl. Which would be nasty.
I am pretty sure about this."
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"That 'Californication' is 'California'+'fornication', as opposed to just tacking on the 'ication' suffix to "California'"
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"Well, a few years ago, but I realised that its 'kit and caboodle', not 'kitten caboodle'."
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"That the word 'Alphabet' comes from the Greek letters Alpha and Beta"
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"I thought MFW meant 'mean fucking while'.
Edit: I learned it actually means 'my face when'. I'm mad about it."
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"Because I knew wtf meant 'what the fuck' I thought ftw meant 'fuck the what?'"
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"That IHOP and the International House of Pancakes are not two separate entities."
I'm 25."
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"That 'smh' meant 'shaking my head'. I thought it was just the sound you made when you were disgruntled or annoyed."
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"I thought 'ne'er do well' was actually some fancy French phrase (a la 'naire douelle') until I read it in a movie description on Netflix a few months ago."
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"Was cutting up beets for a salad and washing my hands afterwards, noticed just how red/stained they were."
'Huh my hands are super red. Beet red. BEET RED. Ohhhhhhhh.'
I'm 34."

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"A triangle is called a triangle because it has 3 angles."
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"That the water level in Wet Dry World is determined by how high you enter the painting (low, mid, top). I've been playing the game for as long as I can remember and speed running it for the past several months and I just found this out last week.
This is Super Mario 64, for those of you who don't know/can't remember."
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"'Be there or be square" means you're square because you're not around. Not 'a round'. I just realized this a few months ago. Sigh."
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"The only thing I can think of happened a few months ago, but it still applies.
I always knew the phrase 'Throw caution to the wind' meant 'to act recklessly'… But I had never seen it written. So I had assumed, for 23 years, that it was 'throw 'caush' into the wind'.
I could never figure out what caush was.
Needless to say I felt dumb."
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"That When calling a white person a 'Cracker' it means whip cracker not an edible cracker due to our skin colour."