noun: A human being of any age that eats until he or she passes out or falls into a food coma. Also someone who eats uncontrollably.
verb: to eat uncontrollably or to eat until passing out or falling into a food coma; to eat a large amount in one sitting
She's such a gwedge - don't invite her to the party or she'll eat all your food. (noun usage)
I'm so hungry I could die - I might as well go home and gwedge myself into a coma. (verb usage)