An Olejnik is commonly found slobbing around on the internet or generally in a fast food drive thru.
They generally drive around in old fashioned cars that are nearly broken and sound very loud.
Tom: Oh, look over there at the Olejnik in the bag of bolts he calls a car. He has just ordered 10 Big macs!
Someone Else: OMG I know he is such an Olejnik!
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