Exclamed in frustration toward an animal that has entered one’s property without permission. Typically directed toward a bird or dog that is seeking food.
A regional term similar to shoo, most often found in rural and country Victoria, Australia, in the mid-to-late 1900’s.
Witnessing a flock of starlings perched nonchalantly upon his prized crop of tomatoes, Basil waved his arms and yelled “hool”, sending them squawking and fluttering to the adjacent yard.