Top definition
A smelly turd which floats in the crapper and is virtually unsinkable.
Having consumed many beers, Al thought that he would finally be able to "piss sink" the Stinkable Molly Brown that he had left floating in the crapper earlier that day, but to no avail.

After three flushes the Stinkable Molly Brown still stayed afloat.

Having tried in vain to sink the Stinkable Molly Brown, he was left no choice but to surgically remove it from the crapper with forsips.
by NCKnobster March 11, 2011
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