The Anton Ego Flashback meme originates from Pixar's 2007 film 'Ratatouille,' specifically the scene where the cold food critic Anton Ego tastes Remy’s dish. Upon the first bite, he is instantly transported back to a childhood memory of his mother serving him a comforting meal. This template is widely used across social media to represent the feeling of sudden, overwhelming nostalgia triggered by a specific taste, sound, or experience. It perfectly captures the moment something modern or simple unlocks a 'core memory,' bridging the gap between the present and a sentimental past, often used by millennials and Gen Z to reflect on early internet or gaming culture.