Name given to the baggy music 'scene' in Manchester during the late 80s-early 90s. Included bands such as Happy Mondays, The Stone Roses, The Charlatans, Northside. Occasionally some cockney twats like Flowered Up are included under this term. But they shouldn't.
I'm a big geek and I call the music I listen to Madchester!
Don't turn Madchester music into karaoke fodder.