The "Thousand-Yard Stare" meme captures a facial expression of intense, vacant, and unfocused eyes, often representing a state of shock, trauma, or deep contemplation. This expression originated from the psychological term describing soldiers’ looks after prolonged combat exposure, indicating PTSD. The meme format gained popularity by depicting characters or people in relatable, humorous, or exaggerated stressful situations, symbolizing a mental escape from overwhelming thoughts or feelings. Frequently used in reaction images, it humorously conveys feelings of being mentally checked out, overwhelmed, or haunted by past experiences, resonating with audiences across various social media platforms.