Bin

As an alternative to pin-head, bin-head, shortened to just ‘bin’ is used to describe a person who is ingenuine (not authentic) that acts like a human pile of garbage. Yes, bin one of the greatest uncensored insults.

You: You know that Alison is so fun to be around sometimes, but she puts people down who think or act differently than her?

Me: No way, she’s such a bin.