nipple gage Share definition Flag The size of the piercing hole for you nipple. Some nipples have been known to be gaged as much as 16 inches. Dustin: "I just got a larger nipple gage" Ethan: "wow" nipple gage by Dustin Emerson February 21, 2008 0 0 Get merch Get the nipple gage mug. Buy Now — $32.95 See more merch