Represents the gang that chief keef, lil reese, lil durk, and other chicago rappers claim.

It is the 300 set in the south side of englewood of Chicago, they are black desciple gang members

They all often refer to it in their songs, as it is where they are from and it is the gang they claim and set.
Chief Keef: Nigga Imma stay loyal to my squad 3 hunna !
by StonebridgeBlockBoy January 16, 2015
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3 hundred. In reference too Cheif Keef's song "3 hunna"
"We keep this shit 3 hunna"
by minaa00789 May 23, 2012
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