The Collaborative International Dictionary of English v.0.48:

Shocking \Shock"ing\, a.
   Causing to shake or tremble, as by a blow; especially,
   causing to recoil with horror or disgust; extremely offensive
   or disgusting.
   [1913 Webster]

         The grossest and most shocking villainies. --Secker.
   [1913 Webster] -- Shock"ing*ly, adv. -- Shock"ing*ness,
   n.
   [1913 Webster]
   [1913 Webster]