12 pinter Share definition Flag When a girl who wants you but is fugly, you would only do anything to her if you had 12 pints of booze hense 12 pinter Person 1: "She wants you man" Person 2: " Nah, she's an all nighter, 12 pinter!" 12 pinter by Big Wully October 15, 2008 0 0 Get merch Get the 12 pinter mug. Buy Now — $32.95 See more merch