Top definition
an exceptionally well compacted log, long and hard enough to bridge the u-bend in the toilet. occasional specimens are of sufficient length to breach the surface of the water; all are highly resistant to flushing. A free-standing monument to an epic lavatory achievement, that may last for days.
She had closed the cubicle door and was approaching the bowl, only to recoil in shock and horror, her mouth open and eyes wide with fear. Before her, the Structural Poo reared up from the water, a mighty totem to labours passed. She could only imagine the pain endured.
by poopal March 12, 2009
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