gazump /ɡəˈzʌmp/verb 4noun 3forms 3 verb4 •(UK) To swindle; to extort. •(UK, Australia) To raise the selling price of something (especially property) after previously agreeing to a lower one. •(UK, Australia) To buy a property by bidding more than the price of an existing, accepted offer. •(UK, Australia) To trump or preempt; to reap the benefit underhandedly from a situation that someone else has worked to create.The tactic was to gazump the Labour Party and the FOL by a major restructuring of the tax system. — 1995 noun3 •(UK, Australia) The act of gazumping. •A politician who takes bribes.This year's crop of "nite bloomin' wood-be mayors" includes such famous gazumps as Mac Hoyne, Tom Carey, Barney Mullaney, possibly Carter H., Wilhelm Thompson, and the devil knows who else. — 1918 •(slang, old-fashioned) An automobile."Phoney" Thorpe, '06, and "Shorty" Winchester, '01, have been driving their "90 HP Gazumps" through the wilds of New Jersey, but otherwise keeping on the job. — 1884 formsgazumped · gazumping · gazumps