This will slow the thaw considerably. Marinate meats safely and cook meat, fish and poultry thoroughly. Always thaw and marinate meats, poultry and seafood in the refrigerator, not at room temperature. Dry rubs for meat, fish or poultry are preferable to wet marinades to minimize chance of contamination. Do not partially cook food to finish grilling later.
Bacteria grow faster in partially cooked foods.
Bacteria grow rapidly at warm temperatures so toss any leftover perishables such as potato salad and lunch meat. Do not try to serve them a second time. This site has a downloadable list of 30 lemonade recipes. They range from fresh and fruity to sassy and spicy. The list is in PDF format, so you will need Adobe's Acrobat Reader.