when someone objects to your membership of facebook, myspace, twitter, etc. but then hops on your account when you are not expecting it.
My husband hates it when I am on facebook, but I caught him cyber-jacking my account to look up old high school friends.
by Dignme1 March 09, 2009
a guy who talks nd flirts to girls all day nd doesnt talk to them in real life nd is pussy when it comes to that
Johnny is a cyberjack
by fhugburvnrenvnfews June 30, 2006