Here are some options, with varying degrees of intensity and connotations:
* "Kuware" - This is the closest word to "crazy" in terms of being out of control or unpredictable. However, it often carries a negative connotation, suggesting someone is irrational or unstable.
* "Wairangi" - This word is used for someone who is silly or foolish, perhaps even a little bit mischievous. It doesn't necessarily imply a negative connotation.
* "Wairangi ngakau" - This literally means "crazy heart" and refers to someone who is emotionally unstable or passionate. It can be used in a positive way, implying someone is passionate or enthusiastic.
* "Ngakau pouri" - This means "troubled heart" and is used for someone who is mentally unwell or depressed.
* "Pouri" - This word describes someone who is deeply sad or depressed, often to the point of being irrational or withdrawn.
The best translation for "crazy" will depend on the context of your sentence and the specific meaning you want to convey.