One of the main problems travelers face is communicating with the locals. Even if you never leave home without your trusty phrase book, communication is as much about nonverbal cues as it is about talking. In fact, people rely more heavily on hand gestures and body language when in situations where they are unable to verbally interact with someone.Forearm jerk. This is the action of punching your fist into your elbow joint while raising the other fist up in front of you. It will not get you a positive reaction in most parts of southern Europe or Brazil, and it’s used commonly by soccer fans wanting to send an offensive message to the fans of the opposing team.