1. Like tourettes, whorettes is to describe someone who can't control the dirty (or pervertedly implied) things they say out loud. 2. Talking very explicitly to someone without stopping.
Guy 1: In order to do this right, you gotta put it in that hole right there---
Guy 1: Yo dude, that's like the 7th time you said that all day. Cut the whorettes shit.
Another example:
She had a bad case of whorettes, cause she kept telling me all the nasty-ass things she would do with my penis. And it was only the first two minutes of the conversation!