[1] : The Collaborative International Dictionary of English v.0.48

flog \flog\ flo^g, v. t. imp.  p. p. flogged flo^gd;
   p. pr.  vb. n. flogging -gi^ng. cf. scot. fleg blow,
   stroke, kick, as. flocan to strike, or perh. fr. l.
   flagellare to whip. cf. flagellate.
   to beat or strike with a rod or whip; to whip; to lash; to
   chastise with repeated blows.
   1913 webster
see also:
flogged flogging flagellate 

[2] : WordNet (r) 2.0

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
     also: flogging, flogged
see also:
welt whip lather lash slash strap 
trounce cane lambaste lambast flogging 
flogged 

[3] : Moby Thesaurus II by Grady Ward, 1.0

61 moby thesaurus words for "flog":
   baste, bastinado, beat, belabor, belt, birch, buffet, cane,
   castigate, chastise, club, cowhide, cudgel, cut, drub, flagellate,
   flail, flay, fustigate, give a whipping, give the stick, goad,
   hide, horsewhip, knout, lace, larrup, lash, lather, lay on, needle,
   nudge, pistol-whip, poke, pommel, prick, prod, promote, publicize,
   pummel, punish, rawhide, scourge, sell, smite, spank, spur, sting,
   strap, stripe, swinge, switch, thrash, thresh, thump, trounce,
   truncheon, wallop, whale, whip, whop

Flog >> F Words
Flog, definition of term: Flog
flog_pag1.html