The space in between the top of a girl's legs directly against the vagina. Measured in finger-widths from behind. 3 fingers is the perfect width for a flat spot. If a girl has a 4 finger flat spot she is probably bow-legged.
I won't fuck a girl who doesn't have at least a 2 finger flat spot.
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)