It is called in our schools 'beastliness', and this is about the best name for it . . . should it become a habit it quickly destroys both health and spirits; he becomes feeble in body and mind, and often ends in a lunatic asylum.
Source: Referring to masturbation, in Scouting for Boys.
-- Robert Baden-Powell, (Feb 22 1857-1941), English soldier; He was founder of the Boy Scouts.