I'm cool
slang I'm fine or OK. A: "Can I get you something to drink?" B: "Nah, I'm cool. Thanks, though." I'm cool, how've you been?
I'm cool.
Inf. I'm fine. Bob: How you been? Fred: I'm cool, man. Yourself? Bob: The same. Father: How are you, son? Bill: I'm cool, Dad. Father (joking): So should I turn up the heat?