Green’s Dictionary of Slang

1. (orig. US black) chilly, windy.

1953		Randolph & Wilson Down in the Holler 223: It’s a-gittin’ right airish here lately, on these high ridges.
1985		Eble Campus Sl. Oct. 1: airish – cold, chilly.

2. (US gay, west.) sexually frigid.

2022

(con. late 19C) J. Nevins ‘Western frontier gay slang’ on Twitter 2 Mar. 🌐 ‘airish’ = frigid.