bozo eruption

noun1

1. •
   (Canada, slang) A (usually unscripted) remark by a politician or other public figure which is especially ill-considered and foolish, and which has negative repercussions for that individual and their affiliated group.

   • Smokin’ Tom not only teaches political “science” […] he's a rich old white guy who advises our prime minister and his underlings on how to avoid “bozo eruptions.” — 2010