BDK (Black Disciple Killers) also known as GD (Gangster Disciples) is a gang in Chicago. Rappers such as Lil Jay, P. Rico and Lil JoJo who was shot and killed at the age of just 18 by the Black Disciples, are affiliated with the gang. The gang is also known as BrickSquad, FBG (Fly Boy Gang), and Tooka Gang after fallen member Shondale Tooka Gregory. The Black Disciples, also known as GDK for Gangster Disciple Killers, are a rival gang to the Gangster Disciples, thats why they call them selves the Black Disciples KILLERS!
Main Street is a satirical novel written by Sinclair Lewis, and published in 1920.
1 Andrew Allison is the Co-Founder and Co-CEO of Main Street Hub, which provides great local businesses around the world with do-it-for-you products that make them stronger, at a price that works for them.  Founded in 2010, Main Street Hub serves thousands of local businesses in all fifty states and on three continents.