Its is a scale - generally used for the measurement of the wetness and/or lumpiness farts - It is based on a simple 1 to 10 Scale
There is a direct correlation between mud factor and skid marks.
There is a direct correlation between mud factor and skid marks.
Jimmy was horrified when the small silent fart he tried to squeeze out while on the train hit mud factor 10.
by taranto September 27, 2013