Cooey is an Australian expression that is commonly used to grab someone's attention or to call out to someone from a distance. However, in different parts of the world, various words with similar meanings are used. In the United States, people use words like "hey" or "yo," whereas in the UK, they tend to use phrases such as "oi" or "oy." In South Africa, people say "heita," and in New Zealand, they use "hi" or "kia ora." Other variations include "yoo-hoo," "halloa," "holla," and "whistle." Regardless of where you are in the world, the importance of using attention-grabbing words like "cooey" cannot be overstated.