<Snipped quote by liferusher>
Hmm...
Google translates "Urusai baka".
...nope, didn't work.
Googles "Urusai baka".
"You are annoying, fool (or idiot)."?
Derideo Te. :P
keep quiet idiot!
or
silence idiot!
if you have watched shakugan no shana you should know it since the only thing shana says is Urusai Urusai Urusai