I actually got Wenzeled by Charlie on some Fuel injection and had to go ape on him when I was a Mod at ck5.com I got most of what he was selling me but not all of it. I had to deal with his dad to make him cough up what he owed me.
The term came from the guy he crossed on Pirate 4x4 a few months later and Pirate making a total fool out of him.
http://www.urbandictionary.com/define.php?term=wenzeled
The Thread that started it all. I'm posted in there somewhere.
http://www.pirate4x4.com/forum/showthread.php?t=399203