gazunder
From Longman Dictionary of Contemporary Englishgazunderga‧zun‧der /ɡəˈzʌndə $ -ər/ verb [transitive] British English informal → be gazunderedFrom Longman Business Dictionarygazunderga‧zunder /gəˈzʌndə-ər/ verb [transitive] British English informalPROPERTY if you are gazundered, someone who has agreed to buy your house says that they will only buy it for less than the amount originally agreed —gazundering noun [uncountable]Origin gazunder (1900-2000) Probably from gazump + under