What is another word for has a whack?
Pronunciation: [hɐz ɐ wˈak] (IPA) 
The phrase "has a whack" is typically used to describe someone who may be acting a bit off or unusual. There are many synonyms that could be used in place of this phrase, depending on the specific context of the situation. Some possible alternatives include "seems strange," "is acting weird," "is behaving oddly," or "is acting out of character." Other descriptors that could be used might include "is acting erratic," "doesn't seem like themselves," or "is out of sorts." The key is to choose a descriptor that accurately reflects the situation and allows others to understand what is going on.
