The phrase plays on holla as a shout and dolla as slang for dollar, a rhyme built for quick text to speech memes. Short TTS clips like this spread through soundboards and short video edits because the synthetic voice makes even a simple brag sound absurd. Creators reuse it whenever money appears on screen, from gaming loot and gambling wins to payday jokes and fake rich flexes, and its one second length makes it easy to loop or stack with coin and register sounds.