generally referenced in the MMO world of warcraft, it basically means when someone in your group wins every roll.
this fvckin guy won every green that drops, someones got the jewhands.
When someone rubs there hands together; similarly to how you would rub your hands when your cold. You are simulating "Jew Hands" or the physical manifestation of the raw desire of money in the Jews heart. Made famous by Mr. Burns on the television show THE SIMPSONS.
DOC: I found a dollar on the ground did anyone drop it?
Jabora: Yeah Its mine...
Duff: Man thats a lie.... look he's doing "Jew Hands" as we speak.
DOC: Your right.... (To Jabora) FAG!!!
"Jewhand" is a term with two meanings;
1. A person who is tight fisted.
2. A person who is being a "Prick
Example 1 (Tight fisted):
Friend A: "Hey, mate, couldn't lend us a fiver to buy a Porn mag could you?"
Friend B: "No, it's my fucking money"
Friend A: "Stop being a fucking Jewhand, man!"
Example 2 (Prick):
Mugger: "Gimme your fucking wallet"
Victim: "Fuck you, you Jew Hand"