In most search engines (particularly Google), a minus sign directly before a word (e.g., -tacos ) acts as a . It excludes any results containing that term. Here, we see two negative applications:
Historically, files with these types of sensationalist names were frequently used as "trojan horses" to deliver viruses to unsuspecting users' computers. -Tacosanddrugs - Webcam Dog Lick.flv-