A word hat can be used in almost any situation. It can be used to literally 'Shame' a person or can be used in place of 'lol' in converstions when you can't think of anything better to say.It can also be used with various tones of voice in diffrent situations like laughingly, serious, grossed out etc
Person 1: OMG! Adam just dumped Charlotte!
Person 2: Awww shame they made such a cute couple
Person 1: *something sick or dodgey*
Person 2: Shame on that!