Here are some examples that I think will help answer your question. http://www.koreangrammaticalforms.com/entry.php?eid=0000001250 from the link above: "Interjected 말이다 (말 words, talk + Plain Style copula -이다): it is to say = I mean, you-know, you-see, now see here, let me tell ya, uh, that is, I'm tellin' ya." Other people's answers to this question http://www.italki.com/answers/question/77523.htm#.UQpb3qXneSp Also, please note that there are some Korean verb endings that look very similar to this. For example, see http://www.talktomeinkorean.com/lessons/level9lesson4/ TTMIK Level 9 Lesson 4 / -고 말다 "express something you end up doing or when a certain action comes to an end or is completed after a series of events. -고 말다 is similar to -아/어/여 버리다, but there are a couple differences."

그리고 나 진짜 보고싶하는건 말이야 그리고 내가 진짜 보고 싶어 하는 것은 말이야. 위에서 '말이야'는 군말(redundant words)입니다. 말이야 "I mean..."