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1.
(Or grandpa shopping.) The practice of making a trip to the grocery store almost every single day and only buying food for one day's meals/snacks at a time, rather than shopping for the whole week, two weeks, or month. Often done by people who have a lot of free time on their hands - i.e. elderly retirees (hence the name), stay-at-home moms who are waiting for kids to get out of school, etc. This daily trip to the store is the main social event of their life.
When Claire had gone six months without a date, she was tempted to start granny shopping just for the increased chance of meeting somebody at the grocery store one day.
by CarolinaWolf January 06, 2014