Yoi by Sandoval Freestyle Karate | Blog, Karate Glossary, Karate Glossary "Y" | 0 comments What Does Yoi Mean? Yoi yoi \ˈyȯi\ noun Definition: The name of the command used to signal the beginning of kata. View More Karate Glossary Terms: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window) Submit a Comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.