 Yeah, I think filthy rich. Yeah, filthy rich is a great example. In slang studies, there's always talk about the interplay between the different meanings of a word. When you have a polysemous words, polysemous means that a word has more than one meaning. There's not a clear division between these senses. There's always an overlap. There's always an intersection between these meanings so that when you have something like filthy and you have part of it where it just is emphasis and part of it actually means dirty, sometimes the uses change.