1 definition by Heretik69

Top Definition
The pungent result of a night in the pub. Bad Arse is generally characterised by weird and wonderful turds (see Shitterish Allsorts) and flatulence which is almost visible.
'Man, I've got some seriously bad arse going on after that session in The Crown last night'
by Heretik69 November 13, 2008

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