Gestures and the Signals They Send * Rubbing your face, palms, and neck may signify anxiety and stress. * Arms crossed with clenched fists may signify hostility, anger, and impatience. * Arms crossed with each hand gripping other arm may signify insecurity and self-doubt. * Arms crossed with thumbs up may signify interest and engagement. * Or my favorite--arms crossed may signify that you are simply cold! * Fidgeting and squirming may signify that you are lying, afraid of being found out, insecure, or uncomfortable. * Standing with your hands behind your back may signify power and superiority.