manipulation of search engine suggestions with unwanted keywords
Internet slang for the practice of deliberately polluting search engine autocomplete suggestions with negative or misleading keywords, often to damage a person's or brand's reputation.
If you become a victim of suggest pollution, malicious keywords may appear in search results.
Companies sometimes request removal from search engines as a countermeasure against suggest pollution.
Compound of サジェスト (from English 'suggest', referring to search engine autocomplete suggestions) and 汚染 (pollution, contamination). A relatively recent Internet slang term.