Respuesta :
You are invited to a cook-out, most likely. If you have buns and chips and meat to put on a grill, it will will most likely be a cook-out.
I hope this answer helps.
I hope this answer helps.
Taking from the "chips, buns and condiments" and "meat or veggie patties", it would definitely mean a barbecue or grill-out, maybe even a very late 4th of July celebration ;D. hope that this was helpful!!!