Michael Green, author of course sailing and many other art of course, books, at the beginning of each book would put a definition describing that particular sportsman, in 'The art of course drinking', he defined a course drinker as:-
Someone that turns up at a friends house unexpectedly, all the friend has to offer is a very cheap cooking sherry, the course drinker accepts the glass, sniffs it, knocks it back in one, pulls a disgusted face and says, "God, that was awful!". As he hold the glass out for a refill!
