Definition - What does Spamdexing mean?
Techopedia explains Spamdexing
The methods used for spamdexing vary, including the creation of dummy content pages, keyword stuffing in meta-tags or otherwise promoting specific index results. Along with many other kinds of black hat SEO techniques, spamdexing has been a major source of frustration for dominant search engine operator Google as the company keeps creating new algorithms for rewarding honest sites and punishing unscrupulous ones. Some kinds of spamdexing and black hat SEO techniques have become generally obsolete as Google algorithms get updated and have changed the way that Internet sites are ranked.