Definition of YIMBY in English:

YIMBY

Pronunciation /ˈyimbē/ /ˈjɪmbi/

nounYIMBYs

informal
  • A person who supports new development in the area where they live, typically in order to increase the availability of housing.

    • ‘YIMBYs take issue with the emphasis on “neighborhood character” that is frequently invoked by opponents of development’
    • ‘YIMBY groups’

Origin

1980s acronym from yes in my back yard, on the model of NIMBY.