This green screen clip features a person in a full Grinch costume, often wearing a Santa jacket and hat, performing an energetic, rhythmic, and specific dance routine (sometimes resembling a shuffle or salsa step) that is widely associated with Latin music or dance moves. The dance is usually accompanied by Latin beats (like cumbia or reggaeton) or a remixed Spanish-language track. The meme is a popular celebratory reaction used to express enthusiastic dancing, feeling festive, or simply celebrating a moment with dramatic, joyful energy.