shock3

 
Pronunciation: /ʃɒk/

noun

  • an unkempt or thick mass of hair: a man with a shock of ginger hair

Origin:

mid 17th century: origin uncertain; compare with obsolete shough, denoting a breed of lapdog. The word originally denoted a dog with long shaggy hair, and was then used as an adjective meaning 'unkempt, shaggy'. The current sense dates from the early 19th century