/ ˈnɪmbi; NAmE / noun
( pl. -ies ) ( humorous , disapproving ) a person who claims to be in favour of a new development or project, but objects if it is too near their home and will disturb them in some way
ORIGIN: Formed from the first letters of 'not in my back yard'.
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WORD ORIGIN
1980s: acronym from not in my back yard .