The inevitability of mention of the band Green Day whenever a conversation about punk rock takes place. Usually derogatory towards the band.
"You know who's NOT punk? f&$king Green Day! They're such posers! They're such sellouts!"

"OO--Dookie's Law!"
by theeTSM May 27, 2014
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tore up, ugly, should be ashmaed of yourself, out of tha ordinary
hey look at that girl right there ((Dookie Law))) whoa she messed up.
by ms. pimpinyou October 12, 2003
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