buttinsky

• Well, after weeks and weeks of admonitions from my buttinsky neighbors, I finally went ahead and did it. —  Woot! - One Day, One Deal
• If you think I'm a buttinsky, then I'll just butt in! —  Babbitt
• "He's nothing but a conceited buttinsky. —  Main Street
• Some day, I'm afraid - because I occasionally have impulse control issues - I will roll the car window down and cry out from the depths of my well-intentioned buttinsky soul, "Slow down, Hume! —  beyond the pale
• a scheme that will get this cross-eyed buttinsky off our track. " —  Owen Clancy's Happy Trail or, The Motor Wizard in California

Roget's II: The New Thesaurus