An older guy who is still mentally 16 and will sleep with anyone, including ex-girlfriends, workmates and friends of friends even though it leads to bad juju.
Me (hungover): I'm gonna call my ex again for a booty call, even though she hates me and I'll hate myself after
My Flatmate: Stop it Max, you DirtyFuckingSlutManChild!
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)