Why do we say 'OK'? It started as an inside joke but blew up when it hit the mainstream.
How a cheesy joke from the 1830s became the most widely spoken word in the world.

A happy woman gives a huge OK sign.
You may be surprised to learn that the universally recognized term for neutral affirmation, "OK," has humble linguistic roots. It all started as a cheesy inside joke amongst Boston hipsters. Back in the 1830s, it was cool among Boston’s intellectual class to intentionally misspell abbreviations. They coined "KC" for "’knuff ced," "OW" for "oll wright," "KY" for "know yuse," and “OK” for "oll korrect."
The abbreviations are similar to Cockney rhyming slang, a form of wordplay where phrases are substituted with rhyming words. For example, a phone is known as the “dog and bone” and stairs are called, “apple and pears.”
"OK" found a mainstream audience after it was first used in an article published in the Boston Morning Post on March 23, 1839. Soon after, the tongue-in-cheek joke spread to newspapers across the country.
The term was cemented in the American lexicon after President Martin Van Buren used it in his 1840 presidential re-election campaign. Van Buren, known as “Old Kinderhook,” referred to himself as "OK" to show he was “oll korrect.” Unfortunately for Van Buren, the country didn’t agree and he lost his reelection bid.
But the journey to ubiquity didn't stop there for "OK." Early telegraph operators picked up on the term as an easy way to communicate a neutral affirmative, and it spread like wildfire.
From its quirky origins as slang to its current status as a universal affirmative, "OK" has firmly lodged itself in our lexicon. Just think, every time you say, "OK," you're referencing an obscure 19th-century language trend, a presidential campaign and the dawn of telecommunication.
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An Irish woman went to the doctor for a routine eye exam. She left with bright neon green eyes.
It's not easy seeing green.
Did she get superpowers?
Going to the eye doctor can be a hassle and a pain. It's not just the routine issues and inconveniences that come along when making a doctor appointment, but sometimes the various devices being used to check your eyes' health feel invasive and uncomfortable. But at least at the end of the appointment, most of us don't look like we're turning into The Incredible Hulk. That wasn't the case for one Irish woman.
Photographer Margerita B. Wargola was just going in for a routine eye exam at the hospital but ended up leaving with her eyes a shocking, bright neon green.
At the doctor's office, the nurse practitioner was prepping Wargola for a test with a machine that Wargola had experienced before. Before the test started, Wargola presumed the nurse had dropped some saline into her eyes, as they were feeling dry. After she blinked, everything went yellow.
Wargola and the nurse initially panicked. Neither knew what was going on as Wargola suddenly had yellow vision and radioactive-looking green eyes. After the initial shock, both realized the issue: the nurse forgot to ask Wargola to remove her contact lenses before putting contrast drops in her eyes for the exam. Wargola and the nurse quickly removed the lenses from her eyes and washed them thoroughly with saline. Fortunately, Wargola's eyes were unharmed. Unfortunately, her contacts were permanently stained and she didn't bring a spare pair.
- YouTube youtube.com
Since she has poor vision, Wargola was forced to drive herself home after the eye exam wearing the neon-green contact lenses that make her look like a member of the Green Lantern Corps. She couldn't help but laugh at her predicament and recorded a video explaining it all on social media. Since then, her video has sparked a couple Reddit threads and collected a bunch of comments on Instagram:
“But the REAL question is: do you now have X-Ray vision?”
“You can just say you're a superhero.”
“I would make a few stops on the way home just to freak some people out!”
“I would have lived it up! Grab a coffee, do grocery shopping, walk around a shopping center.”
“This one would pair well with that girl who ate something with turmeric with her invisalign on and walked around Paris smiling at people with seemingly BRIGHT YELLOW TEETH.”
“I would save those for fancy special occasions! WOW!”
“Every time I'd stop I'd turn slowly and stare at the person in the car next to me.”
“Keep them. Tell people what to do. They’ll do your bidding.”
In a follow-up Instagram video, Wargola showed her followers that she was safe at home with normal eyes, showing that the damaged contact lenses were so stained that they turned the saline solution in her contacts case into a bright Gatorade yellow. She wasn't mad at the nurse and, in fact, plans on keeping the lenses to wear on St. Patrick's Day or some other special occasion.
While no harm was done and a good laugh was had, it's still best for doctors, nurses, and patients alike to double-check and ask or tell if contact lenses are being worn before each eye test. If not, there might be more than ultra-green eyes to worry about.