Comes from the song Hey Ya! by a group called Outkast intoning women to shake it out on the dance floor. Refers back to when people used to wave around or fan their instant photos in order to dry them. The popularity of this song/phrase caused the Polaroid company to put out a press release warning people NOT to shake today's Polaroids because it would ruin them.
She knew how to attract men: she would get out on the dance floor and shake it like a Polaroid picture!
From the song Hey Ya by Outkast, the phrase "shake it like a polaroid" means to shake like the act of masturbating. One developes a polaroid by flicking their wrist in a back and forth motion.
Bradford went to shake it like a polaroid in the bathroom, but found his brotheralready developing his own polaroids.
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)