apug noun English. Lime (calcium oxide), used chiefly as a component of the betel chew. Example sentence: Subanen. Ndi'u mekemama' pu' nda'i gapugu. English. I can't chew betelnut, because I have no lime. c.f. mama' 2 gipugan noun English. An offering of betelnut made to deities or spirits.