Bad, ugly; a mild oath or epithet. yáyš ‘no good!’; yáyš čí ‘no good this!’; át yáyš ‘very bad’; yáyšnam wá ‘you’re no good!’ (as said to a dog); yáyš ikú ‘he has done wrong’; yáyš iwá ‘he’s of a bad disposition’.
Language Program · Confederated Tribes of the Umatilla Indian Reservation