The phrase leap into the dark became a familiar warning during the Brexit debate in the United Kingdom, used by politicians arguing that leaving the European Union carried uncertain consequences. This short clip is labelled as a prime ministerial message aimed at Boris Johnson, a leading figure in the Leave campaign. Cut down to just over two seconds, the line later found a second life online as a reaction sound, where its grave political phrasing is reused for everyday gambles, blind choices, horror edits and moments where nobody knows what happens next.