In everday use, an RV would be someone that looks ugly, shabby, or generally not good . Or it could be someone constantly followed by an RS.
See also: RS
"That RV is being followed by his RS"
"What a bunch of RV's"
That bitch was NASTY, I could smell her R.V.S. from 40 ft. away--across the platform!
You've probably heard of people going RV'ing, which is the act of traveling in a motorhome or trailer.