Green’s Dictionary of Slang

bring-in n.

1. (US) a round-up, a dragnet of street-level criminals.

[US]E. Hoagland Circle Home 265: They made a bring-in one time, got everybody on the road, and [...] locked everybody up together, every kind of person.

2. (UK black) a share.

[UK]G. Krauze What They Was 45: He always wants his bredrins to get a bring-in and once she’s up in those blocks [...] she doesn’t really have a choicel.