MeatPacks are raffled off at the shooting matches at the Celestine Community Club.

A MeatPack includes your choice of (typically):
Bacon
Pork Chops
Chicken Breast
Sausages
Pork Cutlets

When they are selling tickets for the MeatPack raffle they typically shout:

MEATPACK! PACK YER MEAT! MEATPACK!
etc.

See also:
Meat