You don't need to say anything to display your emotions. This girl in the above picture obviously look annoyed though she never say a word!
Picture taken from: http://profile.myspace.com/index.cfm?fuseaction=user.viewprofile&friendid=3888399
Picture taken from: http://profile.myspace.com/index.cfm?fuseaction=user.viewprofile&friendid=3888399