(as) gay as a three-dollar bill
(as) gay as a three-dollar bill
Overtly or flamboyantly homosexual. Offensive when used pejoratively. I can't believe Sarah asked him out on a date—how can she not see that he's clearly as gay as a three-dollar bill? I've been gay as a three-dollar bill since I was a teenager, so it wasn't a surprise to my parents when I came out.
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