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2 definitions by Turd Savant

 
1.
A Greyhound bus. See also Filthy Feline.
Nate hopped the Dirty Dog from Minneapolis to Chicago.
by Turd Savant November 16, 2006
 
2.
The MegaBus "no frills" intercity bus system, recently introduced to the American Midwest from the UK. The MegaBus has become a popular, cheaper alternative to Greyhound in many cities. See also Dirty Dog.
I can get from Minneapolis to Chicago on the Filthy Feline for twenty bucks.
by Turd Savant November 16, 2006