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1 definition by JoeTheTree

 
1.
oag
"oag" is an austrian or rather viennese term that is used to acknowledge something while indicating that you are surprised/disturbed/curious about it.

it is a slang version of the german term "arg" but germans usually don't use it for the purpose mentioned above and illustrated in the example below.
Dude: My tutor gave me a kiss on my cheek in today's seminar!
Friend: "oag"
by JoeTheTree January 25, 2012