Top Definition
A bus in a small town named Muscatine in Iowa. This bus likes to chase you and when you're behind it. It Also likes to make sudden stops without warning. The Muscabus likes to cut off small vehicles and cars trying to park preferably a Chevy S-10.
The Muscabus is ruthless and it doesn't care for you or your vehicle unless you are riding in it and maybe you are still not even safe.
by caboose2424 March 18, 2011

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