Although the phrase's true origin is unknown, it best suits it's meaning. Cultural terrorism can be seen as similar to trolling, but with a sarcastic or tongue in cheek twist. Purposes are to entertain, scare, anger, and overall educate the victim.
Jesse, "Allright talk to you later baby, *blows kiss*"
John, "Yup, see ya *blows kiss back*"
WHAT HAPPENED: The heterosexual friends gave off a homosexual appearance to alienate their coworkers. Cultural Terrorism at work.