ham neck Share definition Flag n. On large people, the rolls of fat at the back of the neck, especially when they tilt their heads upward. Did you see that Biker go by? He couldn't do a shoulder check, cause he had a huge ham neck. ham neck by supo pedo June 27, 2006 0 0 Get merch Get the ham neck mug. Buy Now — $32.95 See more merch