(Scottish) Is a term for extensive amounts of humorous banter or chat, or to describe the reasons for doing such a bizarre act.
Michael - "Do you fancy spit roasting a goat?"
Martin Joseph - "Why?"
Michael - "Banter McBant Bant!"
Martin Joseph - "I'm up for it!"
"Last night I was so drunk, I decided to tattoo my face. It was Banter McBant Bant!"