I'm cool off that - You're not going for any of the cool stuff. It could be drug

You're not going for any of the cool stuff. It could be drugs, snacks, drinks, or anything you can pass around and take a hit of.

I'm cool off that, I just ate a whole bag of chips and I'm still full.

I'm cool off that, I just took a hit and I'm still stoned.

I'm cool off that, I just drank a whole bottle of wine and I'm still wasted.