doubling of the last part to express a disorder... did you mean bayiki ?
plural of "yíki-yiki"
yíki-yiki, pl. bayiki-yiki(class 9a/10a (2) : - / - (ba-) : plural from context (or informal/modern ba-), not with n-/m-) yíkiyiki, pl. bayikiyiki(class 9a/10a (2) : - / - (ba-) : plural from context (or informal/modern ba-), not with n-/m-)