The phrase 'You Make My Kokoro Go Doki Doki' is a classic piece of internet slang that blends English with Japanese onomatopoeia. 'Kokoro' means heart, while 'doki doki' represents the sound of a fast-beating heart, typically used in anime and manga to depict romantic excitement or nervousness. The meme usually features characters in a state of extreme blushing or excitement, often with added 'kawaii' aesthetics like sparkles and hearts. It is widely used across social media platforms like Tumblr, Twitter, and TikTok to express intense fandom appreciation, infatuation with a crush, or general excitement over something overwhelmingly cute.