The phrase mixes the German greeting was geht, meaning what's up, with yallah, a widely used Arabic expression for let's go or come on, and that blend has made it popular in German-speaking online slang. Short voice edits built around the line circulate in meme videos, reaction clips and short-form edits, where the Nico edition label marks this particular recording and delivery. Its appeal comes from that mix of familiarity and attitude, so creators keep reusing it as a quick, recognisable greeting that signals confidence without needing any setup.