Used similarly to oh ham and ownage. Used when describing something favorable or surprising. Also used to describe someone getting owned.
Did you you see the Suns win last night? That was hamage!
Verb or adverb, used to describe a gluttonous act of eating to much ham or ham products in one sitting, such as Thanksgiving. Can also be used to describe excessive eating in general.
Man 1: *groan* If I eat anything else, I will explode.
Man 2: "Yeah, that was some serious hamage, bro."