bumptious

Watson later tried to buddy up to Wilkins at a cocktail party, but the socially awkward Wilkins did his best to avoid the bumptious American.

Bumptious little man, and yet—and yet there's something in him.

The court was thrown into amazement, and even Bumptious quailed before the fist of the mighty Jorrocks.

She was always—not exactly proud like, but what I calls Bumptious.