https://www.urbandictionary.com/define.php?term=chams cham To misrepresent something in a way that lets someone down (e.g. giving someone the wrong location to meet up, or getting them excited about something that does not exist). chams Chams normally come part of game Direct3D or OpenGL hacks. Chams are like wallhacks but with an added bonus. Eg: When the opposition players are in front of walls or obejects, they would appear red. When they're behind it, they're green.