(informal) giving vigorous support; promoting or advocating (something).to give one's vigorous support to something, especially with the hope of gaining further support for it from the public.(informal) giving vigorous support; promoting or advocating (something). ...and not just dropped into the soup and every criminal that comes along given fantastic credence because he's beating the drum for socialism or communism or spooferism or nihilism or some other nonsense. iZones of Control and Responsibility of Governments (3 Jan. 60)(informal) giving vigorous support; promoting or advocating (something). ...and not just dropped into the soup and every criminal that comes along given fantastic credence because he's beating the drum for socialism or communism or spooferism or nihilism or some other nonsense. ?Zones of Control and Responsibility of Governments (3 Jan. 60)