Referring to someone that belongs to the lower socio-economic class.
They are basically bogans.
Watch the advertisments for the Chrisco Christmas hampers and you will know what i mean
"Oi check them out, in their housing commission home with an XF Falcon in the drive."

"I know, they are so Chrisco!"
by Lesliiieee October 27, 2006
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To not want to help anyone but ones self
Taking a sale (ninga) means your a Chrisco
by Shane Farrow November 11, 2006
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To mimic or copy someone, usually friends, to become socially acceptable.

Often purchases same clothes and items
Analogous to bender or copycat
He is so chrisco
by anonymous80083 November 6, 2011
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