It's been a while since I did an Etymology Rocks entry, but in a round about way, I ended up hearing, seeking the origins of, and really liking the word "Harlot" recently so I decided to share, though unlike a Harlot we need not arrange a price for such sharing. I think we should bring it back, and keep it real Middle English.
har·lot /ˈhɑrlət/ Pronunciation Key - Show Spelled Pronunciation[hahr-luht]
-noun
a woman who engages in sexual intercourse for money
[Middle English, vagabond, rogue, lecher, harlot, from Old French arlot, herlot, vagabond.]
Though more contemporary uses of the word refer to female prostitutes, it used to be a term that referred exclusively to males. The earliest English record of the word comes from the mid 1200's and indicated "a man of no fixed occupation, vagabond, beggar." I guess they had Corey Haims back then too (please tell me you're watching The Two Coreys). By the 14th century, we see its usage transformed to a derogatory term for a female, but we don't know how it evolved to female from male (passing on the cliche Michael Jackson reference). By the 17th century, use of it in reference to males had disappeared, and now it is ...