The phrase signifies attire designed for canines, fashioned to resemble mythical fire-breathing creatures, specifically for the annual celebration occurring on October 31st. This type of pet apparel is typically crafted from materials such as felt, plush, or durable fabric, often incorporating design elements like wings, horns, and scales to achieve the desired reptilian aesthetic. An example would be a small dog wearing a green outfit with attached wings and a tail, giving the appearance of a miniature mythical beast.
The rise in popularity of such canine outfits reflects a broader trend of pet owners integrating their animals into holiday festivities. This demonstrates a desire to include pets in family traditions and social events. Historically, animal costumes have existed in various forms, but the sophistication and variety of designs have significantly increased in recent years, reflecting advancements in manufacturing and a growing market demand for specialized pet products. The benefits for owners include increased social interaction, enhanced photo opportunities, and the simple enjoyment of seeing their pet in a festive garb.