Top Definition
When a man takes such a massive shit that he must flush the toilet half way through and then continue shitting because he's afraid that the turds will pile up so high in the bowl that they may make contact with his junk as it hangs down into the toilet. Much like the fingers of Adam and God on the ceiling of the Sistine Chapel.
Guy1: dude why'd you flush twice did it really smell that bad?

Guy2: nah man it was a Sistine Chapel Shit.

Guy1: ahh!!! I See.
by Yahbo October 28, 2010

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