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.
Any of the various diseases of the nervous system characterized by involuntary muscular movements of the face and extremities; St. Vitus's dance.
An Ancient Greek circular dance accompanied by a chorus.