Definition from Wiktionary, the free dictionary
See also: white ant
From white ant (“termite”), suggesting the action of termites eating the inside of wooden building foundations, often leaving no outward evidence until the structure begins to crumble.
- (Australia, colloquial) To bring down from within; to undermine.
- The white-anting of ATSIC has been brought about by the usual suspects. 
- If someone undermines you at work you might say they were "white-anting" you. 
- 2002, Alan Barcan, Radical Students: The Old Left at Sydney University, page 324,
- The left was divided between the ALP Club, slowly being white-anted by supporters of the DLP, and a Labour or Socialist Club which disgraced the labour movement by its extremism.
- 2005, Clinton Walker, Golden Miles: Sex, Speed and the Australian Muscle Car, page 149,
- Plans for the Force 7 had officially been announced earlier in ′74, off the back of the P76′s Car of the Year award, before the shortages and poor quality control started white-anting it.
- 2008, Peter Van Onselen, Wayne Errington, John Winston Howard: The Definitive Biography, page 102,
- He was always prepared to contest an open ballot, when he viewed runs on the leadership as a free-for-all, but never challenged an incumbent leader. In time, Peacock supporters would accuse Howard of white-anting Peacock′s leadership.
- 2011, Mark McKenna, An Eye for Eternity: The Life of Manning Clark, page 263,
- In May 1947, Clark ‘debated’ Edmunds on ABC Radio, the topic: ‘Is communism white-anting our education system?’—a clear invitation for violent disagreement.