A more appropriate substitue for smart ass, correct spelling is elick.
teacher: hey you in the back, quit being a smart aleck.
Alec(boy in the back: my name is alec.
Thsi actually happened in my class it was damn funny
what your mom calls you when you are being a smart ass but she doesn't want to use the real word b/c there are other people around
Stop being a smart aleck!