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grog bog
Ablutions after a big night out drinking: Don't go in the toilet for a while, Steve's just done a big 'Grog bog'!
Contributor's comments: Heard in Melbourne more commonly as 'Post Grog Bog'
Contributor's comments: On the Nth Shr Syd, I've only every heard "grog bog" without the "after".
Contributor's comments: Throughout the Gippsland area have heard it refered to as an 'AGB' or After Grog Bog.