What does shocking mean?

Answer 1

A shock is a violent blow that is delivered without physical contact. It can come from a discharge of electricity ("If you stick a fork in the socket you will get a shock"), a change of temperature ("It was a shock to leave the sauna and jump into the snow"), or an unexpected event ("It was a shock to hear that my niece had suddenly died.")

To shock is a verb that means to deliver a shock.

A shock can also refer to a hank of hair. ("A shock of chestnut hair fell on his forehead.")