1.to have a dirty bum(not exactly homeless) suddenly show up out of no where, annoy you and your friends, steal cigarette butts from the ashtray, and drink from used beer cans. Also to mooch everything they can ranging from food to weed to toilet paper and then ramble for hours on end talking about nothing but primarily a mixture of gibberish, pothead " ideas", stories that probably never happend especially about awesome or terrible experiences.
2. the appearance of an unwanted guest who doesn't get the hint to leave
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)