flog

flog (http://definr.com/flog)

     v 1: beat severely with a whip or rod; "The teacher often flogged
          the students"; "The children were severely trounced"
          [syn: welt, whip, lather, lash, slash, strap,
           trounce]
     2: beat with a cane [syn: cane, lambaste, lambast]