Wiktionary
light in the loafers
a. (context idiomatic slang pejorative dated euphemism English) gay; homosexual. alt. (context idiomatic slang pejorative dated euphemism English) gay; homosexual.
Usage examples of "light in the loafers".
He laughed again, thinking this guy wasn't so bad, despite the fact he was a foreigner, and maybe a little light in the loafers.