The phrase identifies a collectible container, typically shaped like a well-known cartoon mouse, designed to hold popped corn and marketed during the autumn season around October 31st. These novelty items are frequently sold at theme parks and are characterized by designs incorporating Halloween themes, such as spooky colors, characters in costume, or representations of haunted imagery.
These themed containers provide a functional way to carry and consume a popular snack and become a coveted souvenir. Their seasonal availability and association with specific events contribute to their perceived value and desirability among collectors. The combination of a recognizable character and a holiday theme enhances the collectability, creating a demand that extends beyond mere utility.