Top Definition
fibronic irrigation:

flossing out the undercarriage by consuming mass quantities of fiber and passing the massive chunks rectally. this may be followed by a yogurt enema.
I may not be a doctor, but I play one on tv; therefore I can prescribe a full fibronic irrigation to loosen up your innards with gusto. you'll be blowing pooberry stew in no time! just 5 bowls of horkins fiber chunks will have you dunking dunks in no time!
by thespecialedge February 02, 2011
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