What is another word for whacks?
Pronunciation: [wˈaks] (IPA) 
If you're in need of synonyms for the word "whacks," there are several options to choose from. One possibility is "slaps," which suggests a quick and forceful strike with an open hand. Another option is "strikes," which implies a more deliberate and intentional blow with a hand or an object. "Smacks" is also a viable choice, indicating a sharp and occasionally audible hit. "Thwacks" is a less commonly used synonym for "whacks," but it carries the same connotation of a solid and hefty impact. Ultimately, the synonym you choose will depend on the context and tone of your writing or conversation.
