I came up with a new one along the lines of "car wash cu**". Of course, a rip-off.
New one:
K-mart Parking Lot Hooker!
My new one. I like it. You can change it if you want as you can be versatile with the word Hooker and change it out with even dirtier slang terms. You may even add to it if you wish, with adjectives...
I even made a back-story for the life of a k-mart parking lot hooker.... I have an active imagination. It includes jelly shoes, and 50 cents to ride the kids rides.