gore, lacerate, wound

bash, baste, bat, batter, beat, belabor, belt, birch, bludgeon, buffet, bung up, club, curry, do, drub, fib [British], flog, hammer, hide, lace, lambaste (or lambast), lash, lather, lick, maul, mess (up), paddle, pelt, pommel, pound, pummel, punch out, rough (up), slate, slog, switch, tan, thrash, thresh, thump, tromp, wallop, whale, whip, whop (or whap), whup, work over

maim, mangle, mutilate