A supposed act of necrophylic sex in which a person digs up a dead woman and performs cunnilingus on the body while another person (the mung-jumper) jumps off a ladder or other high object, landing on the stomach of the corpse.
You and Carl went mungfishing? You're fucking sick. I hope the copsbust you.
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)