(noun) a word used in substitute of "food", usually used in reference to particularly tasty food or food that the person really likes. The word is often followed by an exclamation of "omnomnom!"
-comes from the word "nom" (verb), the sound of eating especially yummy food.
Person 1: "I'm so hungry!"
Person 2: "Here have some nomables!"
Person 1: "Yay! Cookies! OMNOMNOM!"