Proceed with Extreme Caution!
The handkerchief code was a way for gay men to recognize each other and then meet; in the streets, bar, clubs, movies, and parks. The handkerchief code used back pocket location (left or right) and color to indicate the sexual interests of potential sex partners.
Orange hanky, left back pocket: I'm into anything, anytime.
Orange hanky, right back pocket: Nothing right now; just cruising.
OrangeMercury's philosophy behind wearing orange, anywhere, anytime?
I'm into anything, anytime, and I'm cruising around, seriously the voyeur, packing heat. The Casio Elixim.