Ghetto Diaphragm Share definition Flag Noun- A Ziploc Baggie inserted into a woman's vagina in lieu of traditional diaphragm birth control Stacie: "Erick didn't have any condoms, so i used a ghetto diaphragm instead. Ghetto Diaphragm by Sick sombich September 7, 2011 0 0 Get merch Get the Ghetto Diaphragm mug. Buy Now — $32.95 See more merch