A Blow Hen is usually a female who would do anything for a mans penis in her mouth. A blow hen treats penis like a mother hen would treat her chicks, meaning she would die for pennis.
def#2- a blowpig who attends University of DE ( see blow pig)
Christina sat in the room at the party and provided oral services to men of all colors, weights, and sizes. All the men yelled what a blow hen after exiting the room.