Would you mind providing me with a few examples on how shamelessness can be pulled off on an individual level? I can see how shamelessness works when you are re

Would you mind providing me with a few examples on how shamelessness can be pulled off on an individual level? I can see how shamelessness works when you are really big either politically or socially (Ex: Donald Trump). But I am having a hard time thinking of individual examples where the social cost that comes with doing shameless things outweigh the benefits.