koia kei a [koe]
1. good on you, get you, you're the bomb, you're awesome, it's good that ..., no flies on you, good for you - an idiom supporting and praising someone's efforts but can also be used to criticise what someone has said or done, implying that it will come back to bite them.
(Te Kōhure Textbook (Ed. 2): 77;)
Koia kei a Hare e patipati nei kia whakapikihia tana utu. / Harry is pretty smart trying to get a pay rise.
2. what a cheek - an idiom to criticise what someone has said or done indicating that at some time in the future it will come back to bite her.
Koia kei a Iriata e inoi nei kia whakapikihia tana utu ā-hāora mai i te tekau tāra ki te rua tekau tāra (HKK 1999:85). / What a cheek Iriata has in asking for her hourly rate to be raised from ten dollars to twenty dollars.
