Cincinnati Atom Bomb Share definition Flag When you are holding a girl upside down while 69ing and as soon as you nut, you drop the bitch. "You bruh, I was 69in this hoe last night and as soon as I nutted, I hit her with the Cincinnati Atom Bomb." Cincinnati Atom Bomb by T-Hun January 9, 2009 0 0 Get merch Get the Cincinnati Atom Bomb mug. Buy Now — $32.95 See more merch