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1.
When a person pays for someone else's groceries with food stamps, EBT card, etc. in exchange for money, drugs, sex and/or booze. Named after the city of Brockton, Massachusetts.
"Hey let me know if you need anything at the store, because I'm broke but I have a ton of food stamp money on my EBT card, maybe we can do a Brockton Swap."
by MrDangerously January 11, 2013