Originating from the term oh my nan. "Are you my nan?" is a phrase that can be used instead of what are you doing? or what. Commonly used in South Australia and New South Wales.
Teacher: You are a terrible student and are going to be expelled.
Student: Are you my nan?!
by Alexander Mel May 26, 2020
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An insult given to an irritating or selfish person. Commonly used by Secondary school idiots.
"Stop hogging the fucking food Emma! You nan"
by Iriwn.Sugg May 29, 2015
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