What is a hog maul?

The stomach of a pig

No. Ground hogs are rodents.

A maul is a piece of Rugby Union where it is either formed after a kick-off or after a line-out. It is when most of the forwards push and bind against one of the Locks when he is carrying the ball....

A groundhog is a burrowing rodent, Marmota monax, also called a woodchuck, related to squirrels in general and ground squirrels in particular.

old fat ones!