When themassive pile of smelly stanky clothes on your floor begin to sprout new life forms, growing with neglect, getting so high they almost tickle your chin - and it's time to mow the laundry again.
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.
Similar to rimming, rim job, or tossing a salad: when a man to man, man to woman, or woman to womaninteraction occurs of a sexual origin inhibiting the motive to munch on the pubes between the ball sack to asshole or pussy hole to ass hole area (the region is also commonly known as the gouche or gouch).
DudeBro: "Dude, did you smang that chic I saw you with last night bro?"