English Etymology Blend of brand + hijacking. Noun brandjacking (uncountable) English Wikipedia has an article on:brandjackingWikipedia (Internet) The imposture of the online identity of another person or company. 2009, Joel Postman, SocialCorp: social media goes corporate, page 121:This is one of the more blatant forms of brandjacking, in which a person claims to be an official representative of the company.Remove adsWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads