An 'inebriate' person is anyone over the age of eighteen years who is incapable or unfit to properly conduct himself or herself, or his or her affairs, or is dangerous to himself or herself or others, by reason of periodical, frequent or constant drunkenness, induced either by the use of alcoholic or other liquors, or of opium, morphine, or other narcotic or intoxicating or stupefying substance.
West Virginia Legal Code