2 Girls 1 Cup became widely known online in 2007 through the trailer for Hungry Bitches, a Brazilian exploitation film. The clip spread across forums, early video sites, and reaction videos because people would film friends seeing it for the first time. Over time, the title itself turned into shorthand for extreme shock content, so even tiny audio references can signal the meme immediately. It still appears in edits and jokes because its reputation is instantly understood by long-time internet users.