look up any word, like blumpkin:
 
1.
New Age Man with Diabetes
A Metro D typical carries a Man Bag with him 24 hours a day to ensure that all the equipment he requires to manage his Diabetes is with him all of the time. Simply carrying everything in his pockets, or a rucksack is not deemed to be Cosmopolitan enough for a Metro D.
by The Grumpy Pumper January 09, 2013
 
2.
To take the D.C. metro system somewhere.
I metro'd over to his place!
by Soph88 March 23, 2011