Green’s Dictionary of Slang

cool-breeze adj.

[joc. use of SE + cool adj. (3)/cool adj. (4)]
(orig. US)

cool, calm.

[US]P. Thomas Down These Mean Streets (1970) 48: I’m a killer to my heart. I not only can live, I will live, no punk out, no die out, walk bad; be down, cool breeze, smooth.