hei a [koe] (rā) hoki
1. what's with you,what's wrong with you,what's the matter with you, you've got a nerve - an idiom used to express the opinion that an idea or something someone has done is a little strange or surprising. May be used to show disapproval.
Hei a koe hoki e kangakanga nā i ō tamariki (HKK 1999:81). / What's wrong with you swearing at your children.
Hei a koe hoki! Hei tō noho mai anō nei kāore he rangatira i tua atu i a koe! / Get you sitting there like there's nobody more important than you!