Is a phrase employed by men who enjoy the company of other men. It means, literally, the more people who are around the happier the occasion will be. However, scholars extrapolate that people is a stand-in for the word 'men.' Therein the phrase is really means that an occasion is made more entertaining by the increased number of men in attendance. Clearly, the speaker of such a phrase is excited by the additional men who are around or near him.
Wow! Bruce is coming to...the more the merrier. Or, Can you invite the Boston Men's Choir to my party, the more the merrier.
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. PenguinBooks,1992. p. 38)