In a large pot, boil the squirrel in water seasoned with the salt, pepper, garlic powder and onion powder for 1 hour or until tender.
In the meantime, soak the hickory chips in water. Light the charcoal and let them get white hot. Place them to one side of your grill.
Remove the squirrel from the water and pat dry. Coat with your favorite dry rub.
Add one handful of wood chips to the hot coals.
Place squirrel on grill across from the hot coals. Cover and smoke for 1 hour. Add a handful of wood chips every half hour.
Add last of the wood chips and baste squirrel with bbq sauce. Smoke for another half hour basting another 3 - 4 times.
Serve with mashed potatoes, sweet corn and buttermilk bisquits.