References UK clinical guidance from the NHS, the British HIV Association (BHIVA), and the British Association for Sexual Health and HIV (BASHH). Last updated: April 2026.
Gonorrhoea has been nicknamed “the clap” for centuries, though nobody knows for certain where the term originated. Several theories exist, ranging from historical medical practices to old French and English words. Whatever the origin, the nickname has stuck — though in modern healthcare, the proper name is used.
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Theories About the Origin
| Theory | Explanation |
|---|---|
| French word “clapoir” | An old French term for a swelling or sore in the groin |
| Clapping the penis | Supposedly an old treatment involved clapping (hitting) the penis to expel discharge |
| “Les Clapiers” | A Parisian district associated with sex work |
| English dialectal “clappan” | An old English word meaning to throb |
The most widely cited theory is that it comes from the old French word “clapoir” or “clapier,” but the true origin is uncertain.
What Gonorrhoea Actually Is
- A bacterial STI caused by Neisseria gonorrhoeae
- Second most common bacterial STI in the UK
- Can infect the urethra, throat, rectum, cervix and eyes
- Often no symptoms, especially in women
- Treated with ceftriaxone injection
- Antibiotic resistance is a growing concern
Other Historical Names
- “The drip” — from urethral discharge
- “The dose” — common slang
- “The morning dew” — old euphemism
Why the Name Matters Less Than the Facts
Whatever you call it, gonorrhoea is a serious health concern. Testing is quick, treatment is effective, and ignoring it risks complications. Getting tested is always the right choice.
Read more: What is gonorrhoea? | Gonorrhoea treatment | Best antibiotics for STIs
Frequently Asked Questions
Is “the clap” the same as gonorrhoea?
Yes — it’s a slang term for gonorrhoea.
Is gonorrhoea common?
Yes — rates have been rising in the UK.
Is it curable?
Yes — current antibiotics remain effective in most cases.
Related reading
- How Common Is Gonorrhoea in the UK?
- Multi-Site STI Testing: Genital, Rectal and Throat
- What Is Gonococcal Arthritis?
- What Is Super Gonorrhoea?
- Blood Test for Syphilis, Hepatitis B and Hepatitis C
Sources
- NHS — Sexual health conditions
- BASHH — UK clinical guidelines for STI management
- British HIV Association (BHIVA) — HIV treatment guidelines
- Terrence Higgins Trust — sexual health information
- UK Health Security Agency — STI surveillance data
Steve Page is a recognised expert on Sexually Transmitted Diseases (STDs) and STD treatments, having published numerous articles in peer-reviewed journals and presented his research at conferences around the world. He has an in-depth understanding of the latest medical research on STDs, and is an advocate for the development of new treatments and protocols to improve the health of those affected. In addition to his research, he has dedicated his career to understanding the causes and symptoms of STDs, as well as how to best treat those impacted.
