A Jewish boy comes home to his mother and tells her he has met a wonderful girl, and they are to be married.
"Oh, that's nice" says Momma. "And what is this girls name?"
The son tells her that his fiancee is a Native American and is called Little Running Deer.
"That's nice, honey" says Momma, trying to keep a straight face.
The son then tells his momma that he wants to be called by his "new" Native American name too, and that from now on she should call him "Swift Flying Arrow".
"OK, honey, whatever you wish" says Momma.
Then the son says, "You should get a Native American name too, Momma".
"I've already got one," replies Momma. "It's Big Sitting Shiva"