Originally coined from a Carol Burnett Show skit circa 1967, in which she played a Transylvanian gypsy with speech issues. One of her sons was a Vervolf, the other was a Wampire.
http://www.imdb.com/title/tt0061240/quotes
Hallaba: You're going to be bitten by a verevolf.
Mrs. Cunningham: A verevolf?
{ Screams }
Hallaba: Yes. Bevare the volfman will bite you tonight. Oy, are you gonna get it.
Mrs. Cunningham: Oh, no! Is a verevolf bite painful?
Hallaba: It's about the same as the bite from a wampire.
1. Someone who draws energy from sucking others into his or her own drama.
More: The wahmpire usually exists in a more or less constant state of emotional wreckedness, although there is also the "weekend wahmpire" whose attacks are more episodic. Paradoxically wahmpires, like the undead creatures after whom they are named, often still manage to achieve success in many areas of life. This seems to be a function of how effective they are at sucking the life out of those around them.
a. "Judy is such a wahmpire! Every time I see her, she wants to drag me into her latest boyfriend drama. It's exhausting!"
A cross between an Umpire and a Vampire. They pose little threat to the human race as their only power is calling a baseball game down the middle and they are only able to come out at night.