Made famous by Jimmy Pop of The Bloodhound Gang in the song "A Lap Dance is so Much Better When the Stripper is Crying", it essentially means the cock entering the vaginga.
"So, Bambi's goin' on about how she can make all my fantasies come true.
So I says, "Even this one I have where Jesus Christ is jackhammering Mickey Mouse in the doo-doo hole
with a lawn dart as Garth Brooks gives birth to something
resembling a cheddar cheese log with almonds on Santa Claus's tummy-tum?"
Well, ten beers, twenty minutes and thirty dollars later
I'm parkin' the beef bus in tuna town if you know what I mean."
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)