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Acronym for Lawn Mower, referring to a very slow, four wheeled motor vehicle with a broken or distastefully modified muffler, causing it to sound like a Lawn Mower. The operators of these vehicles are generally men between the ages of 16 and 25 who enjoy making noise with their mufflers by driving around using the lowest possible gear. This often results in attempts at races with high performance automobiles and motorcycles, obviously ending shame.
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