ko-o (transitive verb) to paint, smear with ashes or clay, or contents of goat, sheep or cattle bowels as ordeal of the Iteso; (of a person or an animal) to become angry, furious, irate (like a bull goring an anthill with its horns in preparation for a fight). ejukete Iteso aberu naepotie ikijit: the Iteso smear a young Teso woman who is pregnant with contents of a cow?s stomach. aijuk akiria: to mark or tarnish with flour. ejukitai nges akiria: she/he is covered with flour dust (after grinding millet or cassava).