I've heard Bag* (for £1000/$1000) in American rap songs. I believe this came via grime (originating in cockney heartland Bow) musicians using it > Grime fan/c

I've heard Bag* (for £1000/$1000) in American rap songs. I believe this came via grime (originating in cockney heartland Bow) musicians using it > Grime fan/cultural superspreader Drake picking it up *bag of sand = grand