(Adj) A physical appearance suggesting an individual has lived a tough existance; usually as a result of substance abuse. The term originates from the distinction between a car that has "city miles" versus "highway miles."
I really don't believe that Kate is 32. If she really is that age, she's got some serious City Miles.
by SquareMike Jewpants November 18, 2004
1 more definition
To describe the amount of sex partners one has had.
That girl has slept with so many people she has city miles
by Bill Knapp April 28, 2005