Cruise vacations are known for relaxation, entertainment, and meeting people from all over the world. However, according to a former cruise ship employee, some passengers may also use subtle signals to communicate things that most travelers would never notice.

One of those signals, she says, may involve something as simple as a black ring.

The unexpected meaning behind this accessory was discussed by Lucy Southerton, a former cruise ship worker who spent nearly a decade working aboard large ocean liners. During a YouTube video shared in 2023, Lucy talked about some of the unusual things she witnessed during her years working with passengers.

With millions of views, the video sparked curiosity about a small piece of jewelry that, in certain situations, may carry a hidden message.

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The Story Behind the Black Ring

According to Lucy, some travelers have used black rings worn on the right-hand ring finger as a subtle way to signal membership in the swinger lifestyle.

Swingers are couples who consensually participate in relationships or social interactions with other adults who share similar interests.

Lucy explained that this symbol was never officially created by cruise lines or travel companies. Instead, it appears to have developed informally within certain adult communities as a discreet way to recognize others with similar lifestyles.

Because black rings are common fashion accessories, they can easily blend in without attracting unwanted attention.

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How the Discovery Happened

Lucy said she first learned about the meaning of the ring while working in a spa aboard a cruise ship.

She and another crew member were preparing to give massages to a couple when the coworker noticed the guests wearing matching pineapple-themed necklaces.

Lucy initially thought the jewelry was simply decorative and complimented the couple on it. However, the pair laughed and explained that the symbols were not just fashion.

According to Lucy, the couple told her directly:

“We’re swingers. This is how people can identify us.”

The conversation surprised her, and she later learned that various small signals are sometimes used by people in that community.

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Other Symbols and Terms Mentioned

In her video, Lucy also explained that some members of the lifestyle community use specific terms and symbols to describe themselves.

For example:

• Unicorn – a single woman interested in meeting couples

• Rhino – a single man who participates in the lifestyle

• Mermaid – a married woman interested in social encounters independently

• Rainbow – someone open to meeting a wide range of partners

There are also shorthand terms used in online profiles and conversations.

For example:

• DDF means “drug and disease free”

• HMP stands for “height, weight, proportional,” describing physical appearance

These terms are often used in online communities or adult social spaces rather than in everyday public settings.

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Why Cruise Ships Are Sometimes Associated With These Signals

Cruise ships are unique social environments. Thousands of passengers share restaurants, pools, lounges, and entertainment venues for several days or even weeks.

Because of this, travelers often meet many new people during their journey.

Some communities believe that subtle visual signals can help people with similar interests recognize one another without openly discussing personal topics.

However, these symbols are not widely known or officially recognized, and many people onboard have never heard of them.

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Why the Black Ring Is Not a Reliable Signal

Despite the stories shared by Lucy and other travelers, many internet users and even members of the lifestyle community say the black ring theory is far from reliable.

On social media platforms such as Reddit, several people pointed out that black rings are extremely common.

They are often worn simply as:

• Wedding bands

• Fashion accessories

• Silicone rings for sports or work

• Jewelry made from tungsten or ceramic

Because of this, assuming someone’s lifestyle based on a ring alone can easily lead to misunderstandings.

One commenter explained that many so-called “signals” circulating online are not consistently used and are often exaggerated.

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Travelers Urged Not to Jump to Conclusions

Even individuals within the lifestyle community have stated that most symbols people talk about online are not universal signals.

Some people may wear pineapple-themed decorations or black rings simply because they like the design.

Without direct conversation, it is impossible to know someone’s intentions or personal lifestyle choices.

For this reason, experienced travelers often recommend avoiding assumptions based on small details like jewelry or accessories.

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The Reality Behind Cruise Ship Rumors

Cruise ships are places where thousands of strangers interact, which naturally leads to stories, traditions, and rumors spreading among passengers.

Some of these stories may be partially true, while others grow more dramatic as they circulate online.

While a black ring may occasionally carry special meaning for some people, in most cases it is simply a normal fashion choice.

For the majority of travelers, the accessory is nothing more than a stylish piece of jewelry.

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Final Thoughts

The story shared by the former cruise ship worker highlights how small details can sometimes spark curiosity about hidden social signals.

However, experts and experienced travelers agree that no single symbol—whether a ring, necklace, or accessory—should be taken as definite proof of someone’s lifestyle.

In reality, cruise vacations remain what they have always been: a place for relaxation, adventure, and meeting people from around the world.

And most of the time, a black ring is simply just that—a ring.