The phrase itself is French for going in naked, and as a soundboard clip it circulates mainly as a short, punchy reaction rather than as a quote from a widely known film or show. Its exact original recording is not widely documented, which is common for user-shared reaction sounds that spread through soundboards and short videos. Creators keep reusing it because the dare-like delivery is instantly understood even by listeners who do not speak French, and because its two-second length fits neatly at the end of a setup or just before a jump, splash or prank payoff.