A fork of Rural Dictionary
muck up day is usually when year 12s do a prank similar to senior pranks. mostly used and done in australian public schools
P1 : What are you doing for muck up day? P2 : tying a year 7 to a pole.
A day where usually year 12s do things that are not allowed e.g tying a year 7 to a pole ect. mostly done in Australia.
Year 12 N1 : What are you doin for Muck Up day? Year 12 N2 : I’m starting a water balloon fight on the oval