Foso, fosso or posso is a ritual feast celebration among the Minahasa people of North Sulawesi, Indonesia.Transformations in Sacrificial Practices: From Antiquity to Modern Times : Proceedings of an International Colloquium, Heidelberg, 12-14, July 2006, Eftychia Stavrianopoulou, Axel Michaels, Claus Ambos, LIT Verlag Münster, 2008 page 174 Described as a "feast of merit", the host of the event would accumulate prestige and gain status.(cf. Schouten 1995)
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