Definition of "blowen"

Poll Strokem, an old blowen, well known about the streets of London, was continually crying; see her whenever you would, she was all snot and slobber, like a calf's head on a hot summer's day […]

1840, Regular Slangsman, The Flash Mirror, Or, Kiddy's Cabinet, page 12

Many a blowen of saloonic fame

August 1831, Bryan O'Toole, “Barney Moore”, in Blackwood Magazine