Meaning of blockbusting

block•bust•ing

Pronunciation: (blok'bus"ting), [key]
— n.
  1. the profiteering practice by unscrupulous real-estate agents or speculators of reselling or renting homes that they obtain by inducing panic selling at prices below value, esp. by exploiting racial prejudices.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.