A nibble of delicious meat to get some savory protein in your body to tide you over til mealtime. Or just to narsh on something delicious. Usually in a size that would fit on a kabob, or a small handful.
"Hand me that tray of salami, ostrich jerky bites, little wienies, bacon slices, pieces of fried liver mush, chicken nuggets, etc. I need a meat snack!"