Source : Webster's Revised Unabridged Dictionary (1913)

Champ \Champ\, v. i.
   To bite or chew impatiently.

         They began . . . irefully to champ upon the bit.
                                                  --Hooker.

Champ \Champ\, Champe \Champe\, n. [F. champ, L. campus field.]
   (Arch.)
   The field or ground on which carving appears in relief.

Champ \Champ\, v. t. [imp. & p. p. {Champed}; p. pr. & vb. n.
   {Champing}.] [Prob, of Scand. orgin; cf. dial. Sw. k["a]msa
   to chew with difficulty, champ; but cf. also OF. champier,
   champeyer, champoyer, to graze in fields, fr. F. champ field,
   fr. L. campus. Cf. {Camp}.]
   1. To bite with repeated action of the teeth so as to be
      heard.

            Foamed and champed the golden bit.    --Dryden.

   2. To bite into small pieces; to crunch. --Steele.

Source : WordNet®

champ
     n : someone who has won first place in a competition [syn: {champion},
          {title-holder}]

champ
     v 1: chafe at the bit, like horses
     2: chew noisily; "The boy chomped his sandwich" [syn: {chomp}]