This refers to a Halloween ensemble that humorously mimics the looks of a startled deer caught within the glare of car headlights. The costume usually consists of deer-like apparel, resembling brown clothes, ears, and probably a tail, mixed with a component representing headlights, typically achieved with wide-eyed make-up or strategically positioned gentle sources.
The enchantment of this type of getup lies in its novelty and comedic nature. It typically serves as a dialog starter at Halloween occasions as a result of its recognizable and inherently humorous idea. Whereas not deeply rooted in historic traditions, its emergence displays a contemporary curiosity in lighthearted and pop-culture-referencing costumes.