Ross Desmond has been in Glasgow often enough to become familiar with the city’s distinctive slang. And he certainly showed gallus during his aborted appearance at Celtic’s AGM last month. The best definition of gallus is that it describes an act of boldness or daring. Desmond – son of the club’s main shareholder, Dermot – is a non-executive director but he gave the keynote address at the meeting. His words have been widely reported but you really need to listen to the recording to get the full impact. Desmond the Younger is no fool. He knew his words would get…