The phrase signifies a specific situation: the presence of a gliding rodent from the Sciuridae family within a residential structure. This circumstance arises when these animals, typically inhabiting wooded areas, inadvertently or intentionally enter human dwellings seeking shelter, food, or nesting sites. A homeowner might utter this phrase upon discovering evidence like droppings, gnawing, or the visual confirmation of the creature within the premises.
The importance of addressing this situation stems from potential property damage, health concerns, and the disruption of the home environment. These animals can cause structural harm by chewing on wood, wires, and insulation. Furthermore, they may carry parasites or diseases transmissible to humans or pets. Historically, human encounters with wildlife inside dwellings have prompted the development of pest control strategies and wildlife management techniques to mitigate these risks.