Literally "his head is soft": hellytaa "his head, hair on head", mewalyp "is soft". Inverse is hellytaach 'ewir, "he is dumb", literally "his head is hard".
Usually with -ch to mark subject: hellytaach mewalyp
In most dialects, hellytaa means only "hair on head", and another word is used for "head". Additionally, different verbs may be used for "smart, intelligent", such as 'iillyaawp in 'Iipay and paywechaach in Tiipay.