Top Definition
The dried-on caked-on grass from the underside of a lawnmower which falls off in muffin-like clumps when starting a mower which has been idle for a day or days. In extreme cases, the mow muffin must be chiseled loose.
The lawnmower scattered mow muffin all over the garage floor when it started.
#related words: grass #lawnmower #clippings #caked #dried #clumps
by Jim Hendricks December 29, 2006
6 Words related to mow muffin
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