(Noun) a professional drinker that provides alcoholic induced emotional support to other drinkers at parties, bars, and clubs. They may also be referred to as a PDC.
That guy is always at the bar providing good sound almost believable advice. He must be a Professional Drinking Companion (PDC).
An unskilled, lazy individual who has been fired from numerous jobs and relegated to sitting at home fantasizing that doing household chores is a full time profession.
That wanker was fired from every job he was hired to do and is now stuck being a professional homeowner.