Green’s Dictionary of Slang

(US) a male homosexual; also adj.

1972		B. Rodgers Queens’ Vernacular 72: eerquay (dated, hetero sl euphemism fr pig Latin ’30s–’40s) homosexual ‘I saw him go into one of them eerquay arbays.’.
2002		The-House-of-Love.org ‘Gay Men Names’ 🌐 eerquay • effie • ephebophile • ethel • eye doctor.