scum sucking motherfucking piece of shit
When you use the term 'scum sucking motherfucking piece of shit' in relation to another person, the subtle implication is you don't actually like or respect them.
"You may have saved the whales throughout the 80's Uncle Pete in your charitable life, however, there's no getting around it, in this life right now, you are a scum sucking motherfucking piece of shit and there's no getting around that."