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1.
To know the byways, alleyways, side streets, and thoroughfares of a particular locale.

Describes an ability to deftly navigate oneself via extensive knowledge of one's surroundings. Such an ability alludes to the urban prowess of Batman.
Jasmine: *swerves car down a sketchy alleyway*

Ivan: Jas' where the hell are we going?

Jasmine: Oh, this is a little shortcut to Jen's house. You can avoid three stoplights this way. I've got my neighborhood batmapped!

Ivan: Tell me about it... I've never seen someone know eight different ways of getting uptown on a Friday night. This is your Gotham City.

Jasmine: I got this whole town batmapped!
by Define Me! June 14, 2010