Talk about freaky coincidences. Women all over the globe are comparing their wrists, only to learn that each has a freckle in the same location. What the bleep is going on?

It all started with a viral tweet. Twitter user @aarynwhitley threw out a question that prompted more than 10,000 responses, many with photographic evidence. Do any of you ladies have a mythical freckle in the middle of your wrist?

It turns out a ridiculous amount of people women bear the mark of a mid-wrist mole/freckle. Writing this, I had to check myself and holy crap, I’ve got one in the center of each wrist!

Commenters filled the thread with pictures of their own marks expressing disbelief that they have it common with so many others. A few men chimed in too. Thus, a viral challenge was born:

Some people joked that it’s where the government chips people, while others were having legit “OMG” moments. What does it all mean?

One theory is that these spots become more visible during the summer because of the skin’s exposure to more sunlight. According to the Mayo Clinic, this is a trait of freckles (aka ephelides):

“Ephelides most often appear tan, brown or red. Unlike some other dark skin patches, such as moles, they are flat rather than raised from the skin. Freckles are most common in people with fair skin and in those who have red hair. Freckles generally develop in childhood, adolescence or young adulthood, and they may increase in number and distribution during that time.

A hallmark characteristic of freckles is that they get darker when exposed to the sun’s ultraviolet (UV) light. That’s why they become more noticeable in the summertime and fade throughout the winter months.”

If you notice that your freckles look darker this time of year, you are reminded to use sunscreen that is at least 30 SPF. But what about moles? The American Academy of Dermatology states that moles can be dark, tan, or pinkish in color. They can be present at birth or develop during a person’s lifetime, sometimes disappearing on their own.

But sunlight exposure is one of the factors that can cause them to develop or appear darker, just like with freckles. One difference? People aren’t born with freckles; they show up later. Dermatologists warn us to pay attention to drastic changes in both cases. And, people often skip sunscreen in this region, which could contribute to the mystery.

On the fun side, there are multiple meanings if you have one of these spots located on the outer part of your wrist. Various superstitions and traditions say that a mole or freckle on the wrist means a person: is inventive, will have success in freelance work or business, is well-mannered, saves money, or will be successful/wealthy after age 35. You can dig deeper on the web for more meanings!

There is not a consensus on the wrist freckle phenomenon yet, but we definitely want you guys to join in on this. Men and women out there, let us know!

Which of you have these spots too? Do you have more than one? Are you freaked out too?