Top Definition
Quantitative description of the balance between knob-polishing (KP) and rug munching (RM) in a long-term relationship; fellratio (FR) = KP/RM. All other predictors of relationship stability considered, an FR > 2 or < .5 is considered a serious red flag.
Fred had become increasingly shut off from Wilma emotionally, and the fellratio of .1 went a long way toward explaining this distancing.
by ursus maritimus May 18, 2013
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