All of those words are not allowed that you think that these words are not allowed in a Community Forum
You may not use any ****-letter words that begin with abcdefghijklmnopqrstuvwxyz. The Upwork robot is human and loves, just loves to browse the filth that is on Urban Dictionary. Sometimes, the words are longer.
So if I tell a friend who wants to visit me that he can take the direct A to B road, or he could make a bit of a dog-leg to visit C on the way, it is possible that Urban Dictionary could have multiple interpretations for a perfectly innocent observation.
Now, watch this space . . .