The clip is taken from public appearances and interviews where Donald Trump, the former and current US president and former television personality, is known for using blunt, profane language to dismiss claims he disagrees with. Short Trump reaction bites like this spread widely on soundboards, in meme edits and in political commentary videos during and after his presidential campaigns. Because the word is universally understood and the voice is unmistakable, creators keep reusing it outside politics as a general purpose call out for anything that sounds untrue.