A chain of supermarkets in Massachusetts and Connecticut that focuses on "world class" products and customer service, and screws their employees in any way possible. People who work there include dumb-as-fuck teenagers, depressed middle aged adults, and old people who are too afraid to retire.
"I work at Big Y and I want to die."
"It's going to snow an inch or two tomorrow -- we need to go to Big Y and buy bread! We may be trapped in our house for days."
"Big Y sucks."