Online, this greeting has become a shorthand for Costco culture, the giant warehouse chain known for bulk shopping, food-court snacks, and famously loyal members. Short clips like this travel easily between shopping videos, comedy sketches, and reaction edits because the name alone sparks recognition, even for people who have never visited a store. Its appeal comes from that shared joke: entering Costco can feel like an occasion in itself. As haul videos and warehouse tours remain popular, the welcome keeps working as a quick, friendly cue that an oversized shopping trip is about to begin.