Green’s Dictionary of Slang

1. (US) Baltimore, Maryland.

1974		V.C. Strasburger Rounding Third 151: The ride back from Philly to Big B [HDAS].
1999		Baltimore City Paper Online 15–22 Sept. n.p.: A man who has the nerve to tell us week after week how privileged he is to live outside the big B but complains about the parking.
2001		Bay Weekly 1–7 Feb. 🌐 It had been 30 years since the Big B had a world’s champion on the gridiron, so I guess the boosters were entitled to paint the town purple as horns blared and firecrackers crackled and people danced in the streets.

2. (US) Birmingham, Alabama.

1975

L. Dills CB Slanguage.