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A refference to the rectal passage way...
The dirty cunt likes to take it up the marmite motorway...
by Mark Weldon September 16, 2003
bum hole
if the river flows red, take the dirt track instead
by D. Hine October 13, 2003
n. The anus.

The British equivalent of the Hershey Highway.
I heard that Tom likes to take it up the Marmite Motorway...
by Miss Agreeable May 26, 2004