The phrase comes from French slang, where 'matos' simply means gear or equipment, and stating a round figure like 10000 euros makes the boast sound instantly inflated. Online, the clip circulates in French-speaking meme and gaming communities as a shorthand for showing off a setup that cost far too much. Creators reuse it over photos of PCs, studios and collections, letting the confident announcement do the bragging for them. Its appeal is the contrast between the serious tone and whatever modest equipment is actually shown on screen.