Join Zaxby's free rewards program via their mobile app and you'll get a coupon good for a free Big Zax Snak Meal. This is a full meal that includes chicken fingers, Texas toast, Zax sauce, crinkle fries, and a small soft drink.
If you enter your birthday (and there's no reason not to!), then you'll also trigger their annual Zaxby's free birthday food offer.
You'll have 14 days to redeem your free meal offer, so don't forget!