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1.
When any Mother, Father or guardian/custodian, marches off to their children's school without an appointment to cause general mischief and mayhem. Ranting, Abusive language and trespass are among the minimum requirements for parentaliation.
'where's yer folks'?

'Off staging some nasty parentaliation with Ms Smith at St Johns'
by zebraboy777 September 09, 2010