yam-oriented

adj. Like faith-based--if religion were replaced with juicy, juicy yams.

Real citation: “In this essay yam-oriented beliefs and behavior patterns are analyzed in an effort to understand the symbolic complexities surrounding yams in the Sepik area of New Guinea.”
(Donald F. Tuzin, “Yam Symbolism in the Sepik: An Interpretative Account,” Southwestern Journal of Anthropology, Vol. 28, No. 3, Autumn 1972)

Made-up citation: “According to my uncle, art can be divided into eight categories: classical, modern, contemporary, conceptual, yam-oriented, soul-destroying, groin-beckoning, and neo-caveman.”