bulldog
      adj : stubbornly unyielding; "dogged persistence"; "dour
            determination"; "the most vocal and pertinacious of all
            the critics"; "a mind not gifted to discover truth but
            tenacious to hold it"- T.S.Eliot; "men tenacious of
            opinion" [syn: dogged, dour, pertinacious, tenacious,
             unyielding]
      n : a sturdy thickset short-haired breed with a large head and
          strong undershot lower jaw; developed originally in
          England for bull baiting [syn: English bulldog]
      v 1: attack viciously and ferociously
      2: throw a steer by seizing the horns and twisting the neck, as
         in a rodeo
      [also: bulldogging]


 bulldogging
      See bulldog