Throwing up. Often used by fisherman who get seasick and throw up over the side of the boat.
Dude, I'm not feeling well, I think I'm gonna blow groceries.
by Charlie Lewis May 16, 2007
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A term used for vomiting. "Groceries", is refering to the food that the person ate to make them sick.
Bill: Dude, where's your trash can? I'm about to blow groceries!
Jack: It's in the garage. And next time, try to not yell it all over the house! We have other guests, ya know.
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