Ghetto Memo Share definition Flag When you don't have any paper, so you write something you're supposed to remember on your arm. Person 2: My number is 222-2222 Person 1: Shit, I don't have any paper, I'll just Ghetto Memo it. Ghetto Memo by Kid_Savage October 2, 2016 0 0 Get merch Get the Ghetto Memo mug. Buy Now — $32.95 See more merch