Does "smart ass"...
 

Generally imply that the person is not actually smart?

Or they can be smart, and is boastful about it?

http://www.urbandictionary.com/defin...rm=smart%20ass

http://www.urbandictionary.com/define.php?term=smartass

is it only a term us Aussie used or something? no one else answered me xD

Not sure, but I think I'm a bit of one sometimes...

o-o i dont hear it at school but ive heard people say it before...

LOL!!! I'm probably one at times too... xD

so smart ass usually come across as rude... I've always thought it was someone being boastful... as if they know a lot..

It's a world wide term to the english language. I think its for people who are being sarcastically smart. Never thought about it before.

Me.

Ah so it's not used for someone who thinks they're smart but isnt really smart...?

I need a new word to describe this girl then =.=" xD

Pretentious?