This refers to an outfit designed to resemble the character Jack-Jack Parr from the animated film The Incredibles, specifically intended for wear during Halloween celebrations. As an example, an infant might be dressed in a red jumpsuit and a black eye mask to mimic Jack-Jack’s appearance.
The popularity of dressing as characters from The Incredibles, especially Jack-Jack, stems from the film’s widespread appeal and the character’s unique powers and comedic value. This choice provides an easily recognizable and often endearing representation, particularly for young children. The appeal is further enhanced by the film’s themes of family and heroism.