don't know sushi?

"No not the japanese dish that sometimes doesn’t even contain fish (california roll u confuse me) but a spoof nickname for ppl who are half sunni half shiia, the first time i heard it I thought it was a euphemism for something. And I hate when something comes up that’s obviously new but ppl go on about it as if they've had it all along "c'mon u don't know sushi?", and its funny with ppl going about saying "I'm a sushi he’s a sushi she's a sushi""
kurdistanblog-Dilnareen