0 (of hair) in a way that is not attractive because of being completely straight and thin:
The damp air wet his hair, and it hung lankly back from his haggard face.
Her white cap was awry, and one of yesterday's curls hung lankly over her left cheek.
Under the long dark hair hanging lankly over the driver's neck, David noticed a big red spot.
A succession of gangly boys walked past, hair lankly flapping over their eyes.