Gamisou pousti is a Greek-language insult phrase that circulates online as a very short reaction clip rather than as a line from a widely documented film, song or show. Its exact original recording is not clearly credited in public soundboard listings, so it is best understood as internet slang shared for comic shock value. Creators reuse it because the harsh tone is instantly recognisable even to non-Greek speakers, and the one-second length makes it easy to drop into edits, memes and gaming highlights without slowing the pace.