One of the biggest sex dictionaries you'll find on the net. 1938 terms defined, collected from many sources. Unusual sexual practices, slang, medical terms, perversions, historical facts, positions, tantra, you'll find it all here, from A to Z.
Here are some random samples:
The adoption of female characteristics by a male.
Abbreviation for bisexual.
A small sex toy shaped like a vagina that is used in male masturbation.
Arousal from the sight or presence of pregnant females.
Paraphilia; practice that deviates from the majority of society
A nucleoside analog used to slow replication of HIV.
Abbreviation for Reality Therapy.
Attraction to or the use of robots in sex play
Slang for foreplay, usually including oral sex or penetration with a finger or tongue.