pimozide: the most commonly used diphenylbutyl piperidine
drug of abuse: a drug that is taken for nonmedicinal reasons (usually for mind-altering effects); drug abuse can lead to physical and mental damage and (with some substances) dependence and addiction
virginian stock: erect branching herb cultivated for its loose racemes of fragrant white or pink or red or lilac flowers; native to sands and sea cliffs of southwestern Greece and southern Albania