glic is a word from Gaelic Irish meaning clever1, cunning or wily2.
1. In the musical equivalent of a penalty shoot out, Billy defeated his Clare opponent, as he proved a little more 'glic' on the fiddle during the winner takes all session, according to his proud father.3
1. An te nach mbionn laidir ni follair do bheith glic! = He who is not strong must needs be cunning!4