Interjection
be cool
(imperative) Used to implore someone to not reveal illegal or improper activity.
I'm not the kind of person who tries to be cool or trendy, I'm definitely an individual. Leonardo DiCaprio
A word must become a friend or you will not understand it. Perhaps you do well to be cool and detached when you are seeking information, but I remind you of the wife who complained, 'When I ask John if he loves me, he thinks I am asking for information'. Edward Coke
I'm not a guy who curses very much in my personal life. When I curse it sounds like a kid trying to be cool. But I think there are quite a few people, my father being one of them, who use curse words rather eloquently. Justin Halpern
I just can't believe anyone would start a band just to make the scene and be cool and have chicks. I just can't believe it. Kurt Cobain
The only person I do worry about, that I want to be a good person for, I think is my responsibility, is my sister. I'm going to be cool for you, okay. I like, I need to, I like being by myself right now. I think it's good for me. Britney Spears
I think you have to be cool to be a good flirt, and I don't think I'm very cool. Harry Styles