Slang meaning of Hanky Codes

Hanky Codes means: The handkerchief code was a way, for men to recognize each other with then meet on the streets, bar, clubs, movies, and parks. The handkerchief code used location and color, to indicate the sexual interests, of the potential sex partners. LEFT SIDE COLOR RIGHT SIDE Anal sex, top Dark blue Anal sex, bottom Anythings Goes, top Orange Anything Goes, bottom Fist fucker Red Fist fuckee Food fetish, top Mustard Food fetish,bottom Gives Golden Showers Yellow Wants golden showers Hustler, selling Green Hustler, buying Light S/M, top Robin's egg blue Light S/M, bottom Oral sex, top Light blue Oral sex, bottom Uniforms/military, top Olive drab Uniforms/military,bottom Bondage, top Gray Bondage, bottom Recruiting a virgin White Is a virgin Gothic romance, top White lace Gothic romance, bottom Heavy S&M, top Black Heavy S&M, bottom Scat, top Brown Scat, bottom [From 1970's]   [from 1990's]