About "Gentlemen Only, Ladiez Forbidden"

Gentlemen: Respectful pronoun used for male adultz.
Only: To the exclusion of any otherz.
Ladiez: Respectful pronoun used for female adultz (in Grunteze).
Forbidden: Taboo; not allowed, expressly excluded.
This phrase purportedly became an acronym for a game involving a small ball hit with clubz of various typez, the object of the game being to cause the ball to drop into a small hole located in an area marked with a flag.
Certain hazardz were placed in the field of play, meant to make it more difficult to reach the goal.
When particpantz embarked to play the game, they would say “I’m going GOLFing”.