There is a great Greek Australian web-site called Woglife, were younger Greek Australians pass on notions of "being Greek".

http://www.wog.com.au

"Greek parents have a unique way of passing on wisdom and enforcing the rules of the house. Here are some phrases that all Greeks will find familiar."

At:

http://www.wog.com.au/article_main.asp?ArticleID=258&PageNo=7

Going out:

Pa-a-a-a-li exo that pas?
...You're going out agaaaaaaaiiiiin?

Then varethikes to 'exo'?
...Aren't you sick of out?

Olo to 'exo' skeptese kai tipot'allo!
...All you think about is "out"!

Kala, i lexi "ohi" then iparhi sto lexilogio sou?
...Well, doesn't the word "no" exist in your vocabulary?

Ehthes then isouna oli mera exo?
...Weren't you out all day yesterday?

Eseis an then ta yirisete ola tha skasete!
...If you don't go to everything...you will just explode!!

Olo to 'bye' ke to 'goodbye'. Then akoume ke tipot' allo apo sena!
...Bye and Goodbye is all we ever hear from you!

Other great entries also exist for words of advice when going out; reactions to getting home late; clothes; food; housework, amongst many others