Bangers and Mash. Made from the word "banging", bangers and mash is simply one step further. To describe something that is better then good we use excellent, to describe someone more cool then cool we use ice cold and to describe someone or something more banging then banging we use bangers and mash. That jumper is bangers and mash!!! Nearly the sickest skate crew around, nobody mess' with these kids in Yorkshire. Henry - "Woah!