The exact origin of this 'Ya vegan' clip is not documented, which is common for short user-uploaded soundboard audio. It appears to have been shared as a standalone declaration rather than lifted from a known film, show, or viral video. Online, the phrase leans into the long-running internet joke that vegans announce their diet unprompted, making it useful shorthand for that stereotype. Its short length and clear delivery helped it circulate as a reaction sound for food content, lifestyle skits, and ironic edits, where the humor comes from recognition rather than context.