1. When something tastes so OVER-THE-TOP delicious, that it can only be compared to heaven (in your mouth of course).
2. Can also be used seductively while eating delicious food as a double entendre to imply that you are good at giving head and that if you were to perform fellatio on a certain someone it would be heaven for him (in your mouth).
1. "Mmmmmm....This mac and cheese is like heaven in my mouth!"
2. Girl: "Mmmmmm... This ice cream cake is heaven in my mouth!"
Guy: *gets an erection*
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. Penguin Books,1992. p. 38)