Green’s Dictionary of Slang

D.C. n.

[abbr.]

(US) Washington, D.C.

[US]A.K. Shulman On the Stroll 82: She knew only that [...] he’d grown up in the toughest slums of DC, and that he’d served a stretch in the navy.
[US](con. 1946) G. Pelecanos Big Blowdown (1999) 92: D.C.’s different now, since the war.
[US]G. Pelecanos Shame the Devil 45: When I came back to D.C. [...] and Charles saw me lightin’ up, he wouldn’t let up on me, calling me a fool.