Vibrator (device designed to stimulate a woman's genitals).
Back-of-the-book; denoting those stamps in a catalogue that are not used for the payment of regular postage fees, and are displayed separately in the catalogue after that listing; the division between these two groups varies with the publisher.
Propagation of offspring through sexual reproduction.
The act of copulation in animals.
The good manners regarded as characteristic of the aristocracy and conferred by heredity.
Nurture; education; formation of manners.
Descent; pedigree; extraction.
Ejaculation inside the rectum during bareback anal sex.
The act of insemination by natural or artificial means.
Of, relating to or used for breeding.