The Sad Cat Holding Dog meme is a popular variation of the 'Crying Cat' (also known as Schmuserkadser) series, which features cats photoshopped with teary, glass-like eyes to look overwhelmingly sad. This specific iteration depicts a weeping cat tightly embracing a small dog or puppy, subverting the classic 'cats vs. dogs' rivalry for a moment of pure vulnerability. It became a viral sensation on platforms like Twitter and Reddit, often used to represent feelings of being emotionally overwhelmed, seeking comfort in a friend, or reacting to a wholesome but heart-wrenching situation.