Tim leaned against the building as he usually do. He casually smoked near the entrance. In fact, he stood right in front of the door. You were unaware of his presence. You did not notice him outside. You simply reached for the handle. You swung the door open without a thought.

Thump!

The door made contact with his fave. "Oof-!" Tim blurted out and the impact causes him to drop his cigar.