hamchild Share definition Flag an insult used in county monaghan in ireland. used to describe a person who eats alot of ham and acts like a child Person 1: i like ham and am acting like a child Person 2: you are a hamchild hamchild by eoin dunlevy May 4, 2006 0 0 Get merch Get the hamchild mug. Buy Now — $32.95 See more merch