by-your-leave

• Not to mention Joint Special Operations Command's "executive assassination ring" operating out of the former Vice President's office, who without so much as a by-your-leave, bumped-off official regime enemies. —  WHAT REALLY HAPPENED
• The best way to see any city is to walk it, but everywhere I walk Icelandic men plow into me without so much as a by-your-leave. —  Pastoral Portuguesa
• In the case of AIG (and all the other bailouts that our government has inflicted on the American taxpayer without so much as a by-your-leave), the —  The New American
• She could also have pointed out that Russian submarines and icebreakers enter Canadian waters without a by-your-leave, and in the Arctic Ocean they have staked Russian claims to ownership of the North Pole, and the 8 billion tons of oil and gas that lie underneath. —  The American Spectator
• Then, mid-conversation, without a by-your-leave or a —  The Corsair

Used in the Same Context