What does A Gary mean?

A Gary meaning in Urban Dictionary

When a new player get a couple of 3s in a poker online game, term produced from the high stakes poker games held in Prestwich, Manchester, games played by these types of a-listers as devil-fish, Gary Brownlie, Aniello “The Bluffer Russo”, and Tony “Two Tone” Potts. All famous names inside the English Poker ranks.