kai ā-waha
1. (noun) one who makes empty promises, just talk.
He kai ā-waha - he tere ngā ngutu ki te kōrero, ko te tinana ia, whētōtō ana (HJ 2017:13). / She's just talk - she's quick to make promises, but when it comes to fulfilling them, she procrastinates.
Synonyms: ngutu kau