cat melodeon
/ˈkat mɪˌləʊdɪən
/adjective Northern Irish informal
Extremely bad or unpleasant; awful: putting them on directly before us was absolutely cat melodeon altogether...
- I thought that Pierce was kind of handsome for his age, in an old hippy sort of way, but my friend said that he was pure cat.
- I think it's cat, round here.
- It's cat melodeon and hard to watch.
Origin
1980s: possibly from Irish cat marbh 'mischief, calamity', or an abbreviation of catastrophe + melodeon; or perhaps from a comparison between the sound of a melodeon and that of a cat wailing.