Gazump definitions

(UK) To swindle; to extort.
verb
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(US, slang, dated) An automobile.
noun
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(UK, Australia, real estate) To raise the selling price of something (especially property) after previously agreeing to a lower one.
verb
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(UK, Australia, real estate) To buy a property by bidding more than the price of an existing, accepted offer.
verb
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(UK, Australia) To trump or preempt; to reap the benefit underhandedly from a situation that someone else has worked to create.
verb
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Origin of gazump

Possibly from גזלן (gazlen, “thief, bandit”).