The 'I'm A Beatboxing Blueberry' meme features a low-fidelity 3D animated blueberry that introduces itself before performing an intense and often distorted beatboxing routine. Emerging from the 'brainrot' subculture of internet humor on TikTok and YouTube Shorts, the meme thrives on its sheer absurdity and sudden auditory shift. It is frequently used as a non-sequitur or a 'shitpost' to interrupt other videos or to represent a state of chaotic energy. The character's simplistic design and the aggressive nature of the beatboxing have made it a staple in surreal meme compilations and Gen Alpha humor.