Top Definition
A large and intense bowel movement that results in the evacuation of all 27 ft of your intestines. Code-27 usually involves three distinct types of feces; the plug (hard feces), the hind shit (wet and sloppy feces resembling a cow pie), followed by the giblets (soupy stomach acid with a few particulates).
That pepperoni pizza last night caused me to have a Code-27 in the middle of the night.

I won't be crapping today. I had a Code-27 yesterday that cleaned me out.
by rude_tbag August 10, 2006

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