also: がちまい
noun, noun which may take the genitive case particle 'no'
Okinawan dialect word for a person who loves to eat, often used lightheartedly. Can be used as a noun or with の to modify another noun.
うちの父ちゃんはガチマヤーだから、いつも台所にいるよ。
My dad is such a glutton, he's always in the kitchen.
あのガチマヤーな猫は、餌をあげてもすぐにおかわりをねだる。
That gluttonous cat asks for seconds right after you feed it.