USA, 1913: a minority group regarded as eccentric, extremist or fanatical, or simply stupid—but originally, USA, 1874: a woman or girl’s hairstyle in which the front is cut straight and square across the forehead
UK and USA, late 19th century—‘parlour socialist’: a middle- or upper-class person claiming to be committed to the cause of socialism but not actually involved in the achievement of that cause—‘parlour socialism’: the claimed commitment of a middle- or upper-class person to the cause of socialism without actual involvement in the achievement of that cause