A rainbow kiss is a trending internet slang used to describe a sexual act involving oral contact during menstruation, typically between a male and a female partner. The term refers to the mixing of bodily fluids, which is where the “rainbow” reference originates, although the symbolism is not meant to be literal.
While the phrase “rainbow kiss” isn’t new, many people encounter it for the first time through social media—particularly TikTok—where creators often warn viewers against searching the term out of curiosity. These warnings often emphasize the shocking nature of the meaning, while providing little to no explanation of what the term actually refers to.
Whether you first came across the phrase on social media or encountered it elsewhere, this article explains the meaning of “rainbow kiss” and why it generates such strong reactions, explores its cultural background, and discusses the health considerations that are rarely addressed in viral conversations.
Quick Definition: What Is a Rainbow Kiss?
- A rainbow kiss is a sexual slang term.
- The term refers to oral sex during menstruation, typically between a male and a female partner.
- It involves the mixing of semen and menstrual blood following oral sex during a passionate kiss.
- The name “rainbow kiss” is colloquial, derived from the kiss and the mixture of semen and menstrual blood after oral sex.
- The exact origin or symbolism of “rainbow kiss” is unclear, as the description is not meant to be literal.
Origins and Etymology
The earliest known mention of the term rainbow kiss occured in a theatre play ‘Rainbow Kiss” written by Simon Farquhar and performed at the Royal Court Theatre in London in 2006. In this play, a man named Keith develops an intense obsession with Shazza, a woman he had a one-night stand with following a passionate kiss.
While the exact origin of the modern usage of the term is unclear, it has gained significant attention in both online discussions and real-life conversations.
Why the Term Provokes Strong Reactions
The term rainbow kiss often provokes strong reactions because its literal wording contrasts sharply with its actual meaning. At first glance, the phrase might suggest something colorful or romantic, but in reality, it refers to a sexual act that many people find surprising or off-putting.
This mismatch between expectation and reality, combined with the sensitive nature of the act, contributes to confusion and strong emotional responses, particularly on social media and in casual conversations where the term is frequently discussed.
Why It’s Trending on TikTok & Social Media
The term rainbow kiss continues to trend on social media—particularly on TikTok—because of the strong reactions it provokes, especially when people encounter it for the first time. Many creators reference the phrase without explaining it, which prompts viewers to search for its meaning themselves, a tactic that fuels curiosity and drives continuous engagement.
Users who look up the term often return to comment on how unexpected or unsettling they find its meaning, frequently without offering clarification after checking it up themselves. This creates a cycle of curiosity, reaction, and continued discussion, which has kept the term trending on social platforms for long periods of time.
@empresschiii Omo😭🤮 aaah..!!!!! #empresschi3402
The video above is an example of how creators discuss the term “rainbow kiss” on TikTok, often emphasizing shock and curiosity rather than providing clear explanations.
Health & Safety Considerations of The Rainbow Kiss
A rainbow kiss poses health and safety concerns to everyone who encounters the term. Many people have questioned whether the rainbow kiss is safe to practice, while others have outrightly frowned at it due to the off-putting nature of its meaning. Here are some health and safety considerations of the rainbow kiss.
1. Risks of STIs and Bloodborne Pathogens
The rainbow kiss is considered a risky sexual behavior because of the high risk of exposure to bodily fluids. Blood, semen, and other bodily fluids in the genital tracts are potential carriers of sexually-transmitted infectious pathogens.
In support of the above, Dr Harvey Olufunmilayo, a popular UK-based Nigerian doctor, once took to his Twitter X handle to talk about the health risks of rainbow kiss, including sexually-transmitted bacterial/viral infections, gastrointestinal diseases, and cancers.
Dr. Heather Irobunda, MD (ObGyn), in a conversation on the rainbow kiss with Cosmopolitan, also mentioned that “Semen and period blood can carry lots of different infectious particles, such as HIV, syphilis-causing bacteria, Hepatitis, etc.” She further added, “If you are unsure of your partner’s STD status, you should not be sharing rainbow kisses.”
In addition, sexual practices involving oral sex have been linked to a greater risk of mouth and oropharyngeal cancers, likely due to the transfer of human papillomavirus (HPV), which causes genital warts and cervical cancer, to the mouth and oropharynx.[1]Centers for Disease Control and Prevention. (2024, September 17). HPV and oropharyngeal cancer. U.S. Department of Health and Human Services. https://www.cdc.gov/cancer/hpv/oropharyngeal-cancer.html
2. Oral Hygiene & Safety
The idea of a rainbow kiss raises oral hygiene concerns. Blood and semen carry pathogens that can breach mucosal surfaces or injured skin to infect the blood, but some of these pathogens can also infect tissues in the oral cavity, resulting in bad breath and other oral conditions.
3. Psychological/Sexual Health Concerns
In addition to the STI risk of a rainbow kiss, the practice can also affect an individual or their partner’s sexual health. Engaging in a rainbow kiss with a non-consenting partner can negatively affect how they perceive partnered sex going forward.
Remember, sexual health is about promoting pleasurable, safe, and acceptable sexual experiences for people.[2]World Health Organization. (n.d.). Defining sexual health. https://www.who.int/teams/sexual-and-reproductive-health-and-research/key-areas-of-work/sexual-health/defining-sexual-health Thus, any act that undermines sexual pleasure or has a negative psychological aftermath on an individual (either self or one’s partner) can constitute a sexual health concern. Thus, the need for adequate consent and careful consideration before attempting it with one’s partner.
Cultural Perspectives Around the World
Though rainbow kiss continues to trend on social platforms, very little is known about its acceptance across cultures of the world. However, from reactions and expressions in online discussions and real-life conversations where it is discussed, it is clear that it is generally considered by many as culturally sensitive and socially unacceptable.
Sexual experts have also weighed in on the topic to provide more insights into how the rainbow kiss is viewed culturally.
Wendasha Jenkins Hall, PhD, an Atlanta-based sex educator and founder of The Sensible Sexpert, described in an interview with Cosmopolitan that the rainbow kiss sounds a lot like the classic 69 position and may likely have evolved from the ‘old-fashioned’ period sex.
Danyell Fima, co-founder of Velvet Co., told Cosmopolitan that “a rainbow kiss is a great way for everyone to enjoy the few minutes of cathartic bliss right after you both orgasm. Consider that the goal.”
In the same conversation with Cosmopolitan, Sadie Allison, the founder of TickleKitty, added that, “Like the hundreds of other fetishes out there, this ‘unique’ activity is perfectly okay to do so long as it’s agreed upon by two consenting adults.”
Wendasha Hall also emphasized the serious need for both partners to be thoroughly tested before engaging in a rainbow kiss. After stating that, she added, “When I say tested, I mean not just one time, but continually tested—every three to six months.”
The above views express, in a subtle manner, the need for kinky and adventurous people who wish to try out this activity to take serious precautions and seek mutual consent before engaging in it. Some people are excited by several sexual kinks and fetishes, but the rainbow kiss is medically considered potentially unsafe, as discussed above.
Frequently Asked Questions
Is a rainbow kiss safe?
A rainbow kiss is considered potentially risky, unsafe, and unhygienic, due to its high risk for sexually-transmitted infections, local and systemic infections, and some cancers. It also has potential psychological and sexual health effects on a non-consenting partner.
How is a rainbow kiss done?
The rainbow kiss is performed by a male partner with a female partner who is menstruating. It involves sharing a passionate kiss after oral sex, possibly in the “69” position, with semen and menstrual content in the partner’s mouth.
Do people practice the rainbow kiss?
There are no records of people who practice the rainbow kiss, and no evidence that it’s anything beyond just an arbitrary sexual practice. However, while we can’t say if anyone practices it or not, particularly due to the reactions it gets from the majority, sex experts advise safety precautions and careful consent before trying it out.
Final words
A rainbow kiss is a sexual slang term that refers to oral sex during menstruation, involving bodily secretions like semen and menstrual blood. The term “rainbow kiss” continues to trend online due to the shock and curiosity it elicits in people who encounter it for the first time.
The rainbow kiss has an unexpected and off-putting meaning that makes it particularly shocking. However, when creators reference it, they often emphasize shock and curiosity rather than providing clear explanations. This post helped to demystify the rainbow kiss, its safety, and other important things you need to know about it.
References
| ↑1 | Centers for Disease Control and Prevention. (2024, September 17). HPV and oropharyngeal cancer. U.S. Department of Health and Human Services. https://www.cdc.gov/cancer/hpv/oropharyngeal-cancer.html |
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| ↑2 | World Health Organization. (n.d.). Defining sexual health. https://www.who.int/teams/sexual-and-reproductive-health-and-research/key-areas-of-work/sexual-health/defining-sexual-health |
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