kurro?
When I watcg korean shows with subtitles I tend to hear "kurro" when people are agreeing or saying okay. I'm not sure it's spelled right but the pronunciation sounds about the same. What does it mean and how is it or can it be used?
Please and thank you.

Question

Answer

그럼 is adverb or interjection.
When it comes to adverb: ‘그러면' abbreviation , it is maybe and, then, if you do (so)  in English.   
When it comes to  interjection: Words to use when you answer that it is of course of course.

Answer

Could it be "그럼"

http://endic.naver.com/krenEntry.nhn?sLn=en&entryId=4a2f6734ce994632b0e964d19fb0826e&query=%EA%B7%B8%EB%9F%BC

Answer

Or could it be 그래 as you say it was said when people are agreeing or saying okay...?