An expression said by Jacksfilms (Jack Douglass), a Youtuber, used as a calm response in order to hide your feelings or avoidance towards a comment or opinion that might be emotional, hurtful, embarrassing, etc.
"Mom said dad was going to be back from the store"
"How long ago was that?"
"12 years but he'll be back"
"Cool cool"
In persian it means high quality cocaine. Usually being more expensive than any other type of cocaine. The term became popular after famous rap group ZedBazi released the song "coocooli koo?".
Prof. Sheffield: I have a wonderful idea. Why don't you teach the next class on "Who's the Boss" so that you can share your open mind with everyone in class.
Abed: Cool. Cool-cool-cool.