Top Definition
Poop left on the bottom of the toilet after you have flushed
Can you please clean your poop chalk in the toilet
by Patches1988 December 22, 2010
2 more definitions
dried log-like feces. Created through excessive hotdog dumping. Chunks are left in the sun in Africa to dry into a baked solid defecation stick and then used to draw on walls of caves.
Ben: Why does this cave smell so bad
Jake: Because we're in an African cave where the natives have drawn with poop chalk for thousands of years... and just yesterday. Watch your step, you don't want to get snicker foot.
by StumpyStumps June 25, 2010
Celebrity or a prominent figure in a near death situation.
The Pope John Paul II is a known poopchalk.
by DemonF June 07, 2004

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