>I wonder if that would help with a current popular Scottish slang word - "minging" - usually pronounced mingin', apparantly means smelly or dirty but applied to anything unpleasant<

Do either mingit or mingin relate to mingy? I always assumed that it came from 'mean' and 'stingy' (and that's what Cambridge on-line said - thanks for bringing the listing back up tsuwm!), but now I'm not so sure