Yea Eue - Martial arts etiquette. As a student of martial arts you will hear the word "etiquette" repeatedly. You will learn that proper etiquette accounts for a high percentage of your score on belt tests. You will hear the masters say that the first thing to be learned as a student of martial arts is etiquette. What exactly do they mean by etiquette? This term refers to the proper code of behavior for a martial artist. Examples of Yea Eue include: Of course there is much, much more to Yea Eue, so much, in fact, that it would be impossible to write it all out.