A-Z of sex word meaning

Don't know what a word means? Then use our glossary to find out!


When a grown up has unlawful sex with a child under 16.

Pelvic Inflamatory Disease

A disease in women causing chronic pain in the pelvic area which can lead to increased risk of ectopic pregnancy and other long term complications. It can be caused by STIs such as gonorrhea and chlamydia.


When a vagina, or anus is penetrated by a boy's penis, or some sort of object (such as a sex toy).


A boy's sexual organ.


Once a girl reaches puberty she will have a menstrual bleed, or period, each month. The bleeding happens when an egg is not fertilised and comes out of the vagina along with the thick lining of the womb that builds up each month. The blood usually looks thick and gooey and may be bright red or brown in colour.


Another word for foreplay.


A person who works in a chemist and is qualified to prepare medicines and drugs and give some medical advice.


Short for premenstrual syndrome or premenstrual tension - a description of the mood changes caused by hormonal changes in the days leading up to a girl's period.


Films, books or pictures that are intended to make you feel sexually excited.


When a baby is growing inside a girl's body, she is pregnant.

Pregnancy Test

A test which shows whether or not you are pregnant. You can buy a test from a chemist or supermarket and it will usually contain two sticks which you pee (urinate) on. The tests detect a hormone that is only in a girl's system if she is pregnant. Different tests have different indicators to show if you are pregnant, so make sure you read the instructions carefully.

Premature Ejaculation

When a boy ejaculates (cums) too soon or before he wants to. Lots of different things can cause this to happen, including overexcitement, performance anxiety, inexperience, etc.


An old-fashioned word for condom.

Prostate Gland

A walnut-sized gland just below a boy's bladder. It supplies the fluid to make sperm.


The time when girls' and boys' bodies start to change and become sexually mature. Puberty usually starts between the ages of 9 and 13, but some people are much younger or older. Puberty takes a long time and affects you emotionally as well as physically. Puberty is triggered by certain hormones, or chemicals, inside your body.

Pubic Hair

The hair that starts to grow around the genitals of both boys and girls at puberty.

Pubic Lice

Lice that live only in pubic hair, usually passed on by sexual contact.

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