spoiler
n.— «The Ministry for Culture and Heritage are running a “spoiler” campaign by placing a paid advertisement that displays when the keyword “eventfinder” is searched for on Google. The technique is known as a “spoiler” because the objective is to attract users that are actively searching for a competitor’s website.» —“Ministry running a ‘spoiler’ campaign” Scoop (New Zealand) Oct. 10, 2006. (source: Double-Tongued Dictionary)